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

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

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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

56) As inductance of a coil is doubled and frequency of the sinusoidal supply voltage is havled. What happens to the inductive reactance?

Becomes four times the original value

Becomes half the original value

Becomes one fourth the original value

Remains same

Answer is:

Remains same

57) Which of the following statement is true for a double pole single throw switch?

Connects two wires to two positions

Enables the control of two circuits

Individual circuits can be controlled separately

All the above

Answer is:

Enables the control of two circuits

58) A Bistable Multivibrator has

no stable states

two stable states

one energy storage element

switches between two states automatically

Answer is:

two stable states

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

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54) Power factor of a circuit is unity if

Inductive effect and capacitive effects are equal in magnitude

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

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

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?

1:1

56) As inductance of a coil is doubled and frequency of the sinusoidal supply voltage is havled. What happens to the inductive reactance?

Remains same

57) Which of the following statement is true for a double pole single throw switch?

Enables the control of two circuits

58) A Bistable Multivibrator has

two stable states

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