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Circuit Fundamentals – 1 – 1

1. Current flowing in a conductor due to :

(a) Motion of positive ions
(b) Motion of free electron in it
(c) Motion of free electron and holes
(d) Protons

ANSWER

EXPLANATION

2. The Electric Potential difference measured in :

(a) Kilowatt
(b) Joule
(c) Volt
(d) Watt

ANSWER

EXPLANATION

3. The charge on an electron is :

(a) 1.6 x 1019 C
(b) 1.6 x 1020 C
(c) 1.6 x 10-19 C
(d) 1.6 x 10-20 C

ANSWER

EXPLANATION

4. 1 ohm-m is equal to :

(a) 1000 0hm-cm
(b) 100 0hm-cm
(c) 10 0hm-cm
(d) Zero

ANSWER

EXPLANATION

5. The S.I. Unit of electric current is :

(a) Volt
(b) Killowatt
(c) Ohm
(d) Ampere

ANSWER

EXPLANATION

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