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ISRO Technician-B
Electrician
ISRO Technician-B Electrician 2017
51

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

Carbon

Silicon

Germanium

All of the above

Answer is:

All of the above

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

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

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?

1V

2V

2.5V

3V

Answer is:

2V

53) Type of filter used in a rectifier is

Band pass filter

Band stop filter

High pass filter

Low pass filter

Answer is:

Low pass filter

54) Power factor of a circuit is unity if

Inductive effect dominates capacitive effect

Capacitive effect dominates inductive effect

Inductive effect and capacitive effects are equal in magnitude

When resistive effect dominates

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?

1:2

1:4

2:1

1:1

Answer is:

1:1

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

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