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Circuit Fundamentals – 1 – 2

6. Joule’s Law equation H = ?

(a)  IR2t / 4.2
(b) 4.2 / IR2
(c)  IRt2 / 4.2
(d)  I2Rt / 4.2

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

7. Ampere is :

(a) coulomb sec
(b) volt/sec
(c) coulomb/meter
(d) coulomb/sec

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

8. Work done in carrying a charge Q through a potential V is :

(a) QV
(b) Q/V
(c) V/Q
(d) I/V

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

9. Which device can convert all electrical energy into heat.

(a) radiator
(b) converter
(c) generator
(d) resistor

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

10. The frequency of the domestic power supply is of the order of :

(a) 220 Hz
(b) 50 Hz
(c) 100 Hz
(d) 150 Hz

 
Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

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