Multiple Choice: Electricity and Magnetism

Q1. What is the maximum voltage that can be obtained when four 1.5V cells are connected in series?

Q2. Consider this circuit:

Which letter A, B, C or D shows the part of the circuit that carries a current of 2A?

Q3. A student has three identical resistors. She arranges them in four different ways:

Which arrangement has the most resistance?

Q4. Static electricity can be produced when two materials are rubbed together.

Which two types of material could cause static electricity to be produced?

A	Two insulators
B	Two conductors
C	One insulator and one conductor
D	A metal and a non-metal

Q5. Juliette investigates how current and potential difference vary in different components.

Look at the graphs of her results.

Which graph shows the characteristic of a filament lamp?

Q6. A student sets up four different circuits. He uses identical lamps and the same cell.

Look at the diagrams of his circuits.

Which circuit has the brightest lamp(s)?

Q7. What conditions are needed for charge to flow?

A	A source of potential difference and two lamps.
B	A complete circuit and two lamps.
C	A complete circuit and a source of potential difference.
D	A complete circuit and a source of resistance.

Q8. Which action increases the strength of an electromagnet?

A	Decreasing the current
B	Decreasing the number of turns of wire
C	Increasing the number of turns of wire
D	Using a copper core

Q9. Ted sets up four electrical circuits.

Identify in which circuit the lamp will be lit up.

Q10. The different currents in four wires are shown below.

The magnetic field is measured at positions A, B, C and D.

Which position will experience the strongest magnetic field?