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Class 12 Physics Chapter 3 - Current Electricity MCQ and Assertion Questions

Short Quiz · Class 12 · Physics · CBSE

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Chapter 3 - Current Electricity | 5 questions | about 4 minutes

Practise Chapter 3 - Current Electricity with Teachoo's Short Quiz (Class 12 · Physics · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 5
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Question 1 of 5
CBSE Past Year 2026

Which of the following characteristics of electrons determines the current in the conductor ?

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Question 2 of 5
CBSE Past Year 2026

Two heaters rated as (\(P_{1}\), V) and (\(P_{2}\), V) are connected in series across a dc source of \(\frac{V}{2}\) volt. The power consumed by the combination will be –

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Question 3 of 5
CBSE Past Year 2026

Assertion (A): In a Wheatstone bridge circuit, if we interchange the position of the cell and the galvanometer, the balance condition \(\frac{P}{Q}=\frac{R}{S}\) remains unchanged.

Reason (R): \(\frac{P}{Q}=\frac{R}{S}\Rightarrow\frac{Q}{S}=\frac{P}{R}\) so balance condition remains same.

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Question 4 of 5
CBSE Past Year 2026

A wire is gradually stretched to make it 100% longer. Its resistance will increase by :

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Question 5 of 5
CBSE Past Year 2026

Which of the following statements is true about mobility of charge carriers in a metal ?

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Practice · Chapter 3 - Current Electricity