Basic quantities

Question 1 of 10

Two wires of the same material: B is twice as long and has twice the diameter of A. R_B/R_A is

Question 2 of 10

Potential difference is measured with a

Question 3 of 10

The resistance of a wire increases when its

Question 4 of 10

Conductance is the reciprocal of resistance and is measured in

Question 5 of 10

A charge of 30 C passes a point in 15 s. The current is

Question 6 of 10

The resistance of a conductor increases when its

Question 7 of 10

The unit of capacitance is the

Question 8 of 10

The resistivity of a material depends on

Question 9 of 10

A charge of 30 C flows past a point in 6 s. The current is

Question 10 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