• A. tensile
• B. compressive
• C. shear
• D. bending

Answer: Option C

Explanation:

• A. 1%
• B. 2%
• C. 3%
• D. 4%

Answer: Option D

Explanation:

• A. 10°
• B. 20°
• C. 30°
• D. 40°

Answer: Option A

Explanation:

• A. decrease
• B. increase
• C. remain same
• D. heater will burn out

Answer: Option B

Explanation:

• A. The current through each bulb is same
• B. The voltage across each bulb is not same
• C. The power dissipation in each bulb is not same
• D. None of the above

Answer: Option A

Explanation:

• A. Adiabatic only
• B. Isentropic only
• C. Polytropic
• D. a+b

Answer: Option B

Explanation:

• A. A galvanometer with low resistance in parallel is a voltmeter
• B. A galvanometer with high resistance in parallel is a voltmeter
• C. A galvanometer with low resistance in series is an ammeter
• D. A galvanometer with high resistance in series is an ammeter

Answer: Option C

Explanation:

• A. carbon
• B. aluminium
• C. tungsten
• D. nickel

Answer: Option C

Explanation:

• A. 25
• B. 15
• C. 50
• D. 10

Answer: Option D

Explanation:

• A. vacuum tubes
• B. carbon resistors
• C. high voltage circuits
• D. circuits with low current densities

Answer: Option A

Explanation:

• A. at ultimate stress
• B. per unit volume
• C. at proportional limit
• D. at elastic limit

Answer: Option B

Explanation:

• A. 6.4 A, 6.9 A
• B. 6.4 A, 9.6 A
• C. 4.6 A. 6.9 A
• D. 4.6 A, 9.6 A

Answer: Option B

Explanation:

• A. hysteresis losses
• B. copper losses
• C. core losses
• D. eddy current losses

Answer: Option B

Explanation:

• A. frequency
• B. area of the core
• C. flux density of the core material
• D. (a) and (b) both

Answer: Option D

Explanation:

• A. 30
• B. 35
• C. 40
• D. 50

Answer: Option D

Explanation: