Current Electricity — Advanced + PYQ-Style MCQs

Practice 100 questions on Current Electricity — Advanced + PYQ-Style MCQs. Includes: For a balanced Wheatstone bridge with arms P, Q, R, S…; For parallel resistors connected to the same voltage…; Which expression correctly gives the microscopic…. Free quiz on NoteTube.

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1.
Manganin is used for making standard resistors because it has:
2.
**Assertion (A):** Kirchhoff's junction rule can be applied even when the currents are not steady. **Reason (R):** Kirchhoff's junction rule is based on the conservation of electric charge.
3.
**Assertion (A):** The drift velocity of electrons in a conductor decreases when the conductor's temperature increases. **Reason (R):** Increase in temperature increases the resistivity of metallic conductors.
4.
**Assertion (A):** Ohm's law is a fundamental law of nature. **Reason (R):** Ohm's law holds only for ohmic conductors under constant temperature conditions.
5.
For a balanced Wheatstone bridge with arms P, Q, R, S (P opposite to S; Q opposite to R), the balance condition is:

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