Circuit Fundamentals » Exercise – 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
2. The Electric Potential difference measured in :
(a) Kilowatt
(b) Joule
(c) Volt
(d) Watt
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
4. 1 ohm-m is equal to :
(a) 1000 0hm-cm
(b) 100 0hm-cm
(c) 10 0hm-cm
(d) Zero
5. The S.I. Unit of electric current is :
(a) Volt
(b) Killowatt
(c) Ohm
(d) Ampere
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