Important Questions, Chapter 13, 2nd Year Physics, FSc

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Short Questions:

Q1. Why does no current pass through Galvanometer in a balanced wheatstone bridge although the two keys in the circuit are closed?

Q2. What is meant by tolerance of a resistor?

Q3. State Kirchhoff's 1st and 2nd rule.

Q4. Write down the value of equivalent resistance for three resistors R1, R2 and R3 when joined in
(a) series (b) parallel.

Q5. Diff. b/w the conventional and non-conventional current.

Q6. Define source of current with examples.

Q7. Define temperature coefficient of resistivity.

Q8. Write down the balance condition of wheatstone bridge.

Q9. Draw Wheatstone bridge.

Long Questions:

Q1. Define current and describe the Heating and Chemical effect of current.
Q2. Determine the electric power dissipated in a resistor carrying current.
Q3. Describe construction and working of potentiometer.

13.1, 13.4, 13.7

13.2, 13.3, 13.4

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