a) Series connection Q-meter b) Parallel connection Q-meter c) (a) or (b) d) None of the above Ans: (a)
a) Parallel connection Q-meter b) Series connection Q-meter c) (a) or (b) d) (a) and (b) simultaneously Ans: (a)
a) True b) False Ans: (a)
a) A b) B c) C d) D Ans: (c)
a) Wein bridge b) Maxwell bridge c) Schering bridge d) Anderson bridge Ans: (b)
a) The size of the crystal will be reduced b) There will be a great amount of heat because of molecules movement c) The electrical changes will be set up across the crystal ends d) The crystal will melt Ans: (c)
a) Voltaic effect b) Piezo-electrical effect c) Hall effect d) Photo-voltaic effect Ans: (b)
a) A main switch to isolate the apparatus from the supply b) Fuses c) Circuit breaker and fuses d) Overvoltage relay e) Interlocks and earth connections f) (a), (c), (d) and (e) Ans: (f)
a) (r.m.s. Voltage)/(peak Voltage) b) (Peak Voltage)/(r.m.s. Voltage) c) (Peak Voltage)/(Average Voltage) d) (Peak Voltage)/(d.c. Voltage) Ans: (b)
a) Iaverage/(4 cf) b) Irms/(4 cf) c) Idc/(4 cf) d) Iaverage/cf Ans: (a)