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Top upcoming JE Electrical and Technician for different Gov. exam- 1

	

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Most Important MCQ for JE Electrical & Technician
                    
                                                                                                                                            
                
                                                            
1 / 10
                    
                                                
                                
An ideal current source should have
                            
                                                    
            
                                                                            
            
                                                                            
            
                                                                            
            
                                                                            
                                                                                                
                                                                                                                                                                    
                                                                                                                                                                    
                
                                                            
2 / 10
                    
                                                
                                
Interlocking is not possible in which type of fuse
                            
                                                    
            
                                                                            
            
                                                                            
            
                                                                            
            
                                                                            
                                                                                                
                                                                                                                                                                    
                                                                                                                                                                    
                
                                                            
3 / 10
                    
                                                
                                
. Suspension type insulation the voltage across the center disk is---
                            
                                                    
            
                                                                            
            
                                                                            
            
                                                                            
            
                                                                            
                                                                                                
                                                                                                                                                                    
                                                                                                                                                                    
                
                                                            
4 / 10
                    
                                                
                                
A circuit breaker is rated as follow 1500 MVA, 33KV, 3sec, 3ø oil circuit breaker . Determine the making current .
                            
                                                    
            
                                                                            
            
                                                                            
            
                                                                            
            
                                                                            
                                                                                                
                                                                                                                                                                    
                                                                                                                                                                    
                
                                                            
5 / 10
                    
                                                
                                
Two lamp 40w ,40v and 20w ,40v are connected parallel then what is the total resistance ?
                            
                                                    
            
                                                                            
            
                                                                            
            
                                                                            
            
                                                                            
                                                                                                
                                                                                                                                                                    
                                                                                                                                                                    
                
                                                            
6 / 10
                    
                                                
                                
Two lamp 40w ,40v and 20w ,40v are connected parallel then what is the total resistance ?
                            
                                                    
            
                                                                            
            
                                                                            
            
                                                                            
            
                                                                            
                                                                                                
                                                                                                                                                                    
                                                                                                                                                                    
                
                                                            
7 / 10
                    
                                                
                                
In parallel LC circuit what will be the value of current (in A) at resonance ?
                            
                                                    
            
                                                                            
            
                                                                            
            
                                                                            
            
                                                                            
                                                                                                
                                                                                                                                                                    
                                                                                                                                                                    
                
                                                            
8 / 10
                    
                                                
                                
Determine the instantaneous value of the alternating current (in A) which is represented by i(t)=10sin(25t – 15)A,  if the value of t is 3 ?
                            
                                                    
            
                                                                            
            
                                                                            
            
                                                                            
            
                                                                            
                                                                                                
                                                                                                                                                                    
                                                                                                                                                                    
                
                                                            
9 / 10
                    
                                                
                                
Calculate the value of phase angle (in degree ) in series RC circuit having a resistance of 50 ohm and a capacitive reactance of 86.6 ohm , when the supply frequency of 50HZ
                            
                                                    
            
                                                                            
            
                                                                            
            
                                                                            
            
                                                                            
                                                                                                
                                                                                                                                                                    
                                                                                                                                                                    
                
                                                            
10 / 10
                    
                                                
                                
Two coupled coil with L1 : L2 : 0.5H having a coupling coefficient of K :0.75. The turn ratio N1/N2:?
                            
                                                    
            
                                                                            
            
                                                                            
            
                                                                            
            
                                                                            
                                                                                                
                                                                                                                                        
                                                                                                                                                                    
                
            
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