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

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

10 Volts

210 Volts

120 Volts

200 Volts

2 / 10

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

Add a cell and close the switch.

Close the switch.

Add another lamp.

Add a cell.

3 / 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

4 / 10

What is the electrical current?

Energy per unit charge.

The potential difference between two points in an electric circuit.

The rate at which electrical energy is transferred.

The flow of electric charge.

5 / 10

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

Coulomb

Watt

Ampere

Volt

6 / 10

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

6 amperes

18 amperes

2 amperes

72 amperes

7 / 10

Which is the other name of 'voltage'?

Resistence

Potential difference

Power

Current

8 / 10

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

Volt

Ampere

Watt

Coulomb

9 / 10

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

20 watts

10 watts

16 watts

24 watts

10 / 10

What component does the below circuit symbol represent?

Voltmeter

Cell

Capacitor

Resistor

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