Basic quantities

Question 1 of 10

Conductance is the reciprocal of resistance and is measured in

Question 2 of 10

The unit of capacitance is the

Question 3 of 10

A 12 V supply drives a current of 3 A through a resistor. Find the resistance.

Question 4 of 10

1 milliampere equals

Question 5 of 10

A copper wire's resistance increases with

Question 6 of 10

The instrument used to measure current is the

Question 7 of 10

A wire of resistivity 1.7 × 10⁻⁸ Ω m, length 10 m and area 1 × 10⁻⁶ m² has a resistance of

Question 8 of 10

The unit of electrical power is the

Question 9 of 10

The resistance of a copper wire is 4 Ω at 20 °C. If α = 0.004 /°C, its resistance at 70 °C is

Question 10 of 10

The resistance of a wire is doubled when its