ISRO Technician-B Electrician Question Paper - 2017 (Set - 1) with Answer Key

ISRO Technician-B Electrician Question Paper - 2017 (Set - 1) with Answer Key

51) In which of the following, resistance will decrease when temperature is increased

Answer is:

All of the above

52) A 1V cell with internal resistance 5 Ohm and 3V cell with resistance 10Ohm are connected in series to an external resistor having resistance 15Ohm. What is the voltage across the external resistor?

Answer is:

2V

53) Type of filter used in a rectifier is

Answer is:

Low pass filter

54) Power factor of a circuit is unity if

Answer is:

Inductive effect and capacitive effects are equal in magnitude

55) Capacitance of two capacitors are in the ratio 1:2. The voltage applied across them are in the ration 2:1. What is the ratio of the charge in the capacitors under steady state condition?

Answer is:

1:1

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