NCFE Physical Science Practice

a gain of protons

a loss of protons

a gain of electrons

a loss of electrons

All the current flows through every part of the circuit.

Every part of the circuit is positively charged.

The current through the circuit can take several paths.

Every part of the circuit is negatively charged.

Light bulb 1 and light bulb 2 will work.

Light bulb 1 and light bulb 2 will not work.

Light bulb 1 will work, but light bulb 2 will not work.

Light bulb 1 will not work, but light bulb 2 will work.

long wires with a thin diameter

long wires with a large diameter

short wires with a thin diameter

short wires with a large diameter

The north poles of the magnets are attracted to each other.

The south poles of the magnets are attracted to each other.

The south pole of one magnet is repelled by the north pole of the other magnet.

The north pole of one magnet is attracted to the south pole of the other magnet.

changing the amount of current

changing the current’s direction

changing the number of wire loops

changing the size of the metal core

Using electromagnets conserves electricity.

Using electromagnets prevents static electric shock.

Electromagnets can easily be turned off.

Electromagnets can attract metals or nonmetals.

9 V

6.25 V

1.78 V

0.56 V