Unit 9-Electricity and Magnetism

Front

Potential difference is measured in

Back

volts

Front

The north pole of one magnet will be

Back

repelled by the north pole of another magnet

Front

If a neutral metal comb is held near an object with a negative charge, the comb will become charged by

Back

induction

Front

What is the resistance of electric trains powered by a 9V battery drawing 3.0 A of current?

Back

3 Ω

Front

Which statement correctly describes the two circuits below?

Back

Circuit B is series and Circuit A is parallel

Front

Which of the following would reduce the resistance of a metal wire:

Increasing length,

increasing thickness,

decreasing the thickness,

or raising the temperature?

Back

increasing its thickness

Front

Appliances connected so that they form a single pathway for charges to flow are connected in a(n)

Back

series circuit

Front

Potential difference: 12 V, Current: 0.25 A. Find the resistance of the resistor.

Back

48 Ω

Front

A 13 Ω resistor has 0.050 A of current in it. What is the potential difference across the resistor?

Back

0.65 V

Front

Walking across a carpet is an example of charge being transferred by

Back

friction