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Teachoo MCQ Test

CBSE Past Year MCQ Quiz

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Chapter 3 - Current Electricity | 5 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 480
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 ?

Select one option. Answers are shown after the test.
Question 2 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 3 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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Question 4 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 5 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.

Select one option. Answers are shown after the test.