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Electric Current QuizElectric current 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 8

Total Questions: 20

1 / 40

A 1.5V battery is connected across a metal wire of resistance 3Ω. Calculate the current in the wire.

2 / 40

A closed path through which electrons can flow is _________.

3 / 40

According to Ohm's Law, current equals the voltage divided by the _________.

4 / 40

In a metallic conductor, electric current is thought to be due to movement of ______.

5 / 40

Bakelite is a/an _______.

6 / 40

If the current is 2 Amps and the voltage is 8 Volts, what is the power?

7 / 40

Find the type of current if it's constantly changes direction?

8 / 40

What is the standard unit of measurement for electrical charge?

9 / 40

 If you place a 50 Volt power source across a 10 Ohm resistor, what will the current be?

10 / 40

The SI unit of current is _______.

11 / 40

Electric current is ____.

12 / 40

Cathode is _______.

13 / 40

 If you have a 12 Volt battery placed across a 6 Ohm resistor, what will the current be?

14 / 40

A closed path that electric current follows is?

15 / 40

Good conductors have many loosely bound _________.

16 / 40

Find the type of current if it's only flows in one direction?

17 / 40

Potential difference is measured using______.

18 / 40

In the direction of electric field, the electric potential _______.

19 / 40

 Silicon is a ________.

20 / 40

When the path of current, starting from one terminal of cell, ends at the other terminal of the cell is broken at some point, then such a circuit is called as _______.

21 / 40

An electrolyte is ________.

22 / 40

When a glass rod is rubbed with silk, it acquires a positive charge because ___________.

23 / 40

If an atom loses an electron, it becomes ________ charged.

24 / 40

Conventionally the direction of the current is taken as _______.

25 / 40

Chemical combination involves _________.

26 / 40

In which type of change, we observe alteration only in specific property of matter but not composition?

27 / 40

In an electrolytic cell, the electrode that is connected to the positive terminal of the battery is called as ________.

28 / 40

The current in a circuit equals the voltage difference divided by the resistance.

29 / 40

Electric bell works on the principle of ___________.

30 / 40

In electrical wire copper is used for electrical conduction mainly because ______.

31 / 40

What are all substances made from?

32 / 40

The existence of a negative charge on a body implies that it has _________.

33 / 40

Materials which allow larger current to flow through them are called as _____.

34 / 40

Potential difference is measured in _____.

35 / 40

The process by which a chemical change takes place in a substance when electric current is passed through it is called as _________.

36 / 40

When the ends of metal wire are not connected to a battery the _______.

37 / 40

The unit of energy is ______.

38 / 40

Which of the following is not correct regarding electroplating.

39 / 40

When two bodies are charged together by rubbing each other then both of them acquire ___________.

40 / 40

Which is an example of the build-up of static electricity?

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