Physics: Current and Voltage Quiz for Grade 7 & 8- Free

Current and Voltage Quiz

The quiz is designed for the various curriculum students such as GCSE, IGCSE, ISC, IB, ICSE, CBSE and National Curriculum England.
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Quiz Level: Grade 7 - 8

Total Questions: 10

1 / 10

What is the electrical current?

The potential difference between two points in an electric circuit.

The rate at which electrical energy is transferred.

Energy per unit charge.

The flow of electric charge.

2 / 10

If 0.6 A current flows through a resistor shown in the figure. The voltage of the two points of resistor is 12V. What is the resistance of the resistor?

10 ohms

30 ohms

7.2 ohms

20 ohms

3 / 10

What is the standard unit of measurement for an 'electrical charge'?

Watt

Volt

Coulomb

Ampere

4 / 10

Find the 'Power' of the circuit if the current is '2 Amps' and the voltage is '8 Volts'?

24 watts

16 watts

10 watts

20 watts

5 / 10

Find the current if a '12 Volt' battery placed across a 6 Ohm resistor?

72 amperes

6 amperes

18 amperes

2 amperes

6 / 10

What is the unit of measurement for the 'electrical current'?

Ampere

Watt

Volt

Coulomb

7 / 10

'4.2 Amps' current flows through the resistance and the resistance of an electric iron 50 Ω. Find the voltage between two points.

120 Volts

200 Volts

210 Volts

10 Volts

8 / 10

What component does the below circuit symbol represent?

Cell

Capacitor

Resistor

Voltmeter

9 / 10

What needs to be done to the below circuit so that the lamp lights up?

Add another lamp.

Add a cell and close the switch.

Close the switch.

Add a cell.

10 / 10

Which is the other name of 'voltage'?

Resistence

Current

Power

Potential difference

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