MCQsDrive | MCQsDrive

Physics 914 MCQs [All-Courses]

Physics is a core science subject that deals with the study of matter, energy, motion, force, heat, light, electricity, magnetism, and modern physics concepts. It plays a vital role in competitive exams such as PPSC, FPSC, NTS, OTS, KPPSC, BPSC, AJKPSC, CSS, and PMS, where questions test conceptual understanding, numerical problem-solving, and application of laws and formulas.

A 10Ω electric heater is connected to a 220V 50Hz mains supply. What is the peak value of the potential difference across the heater element ?

A 220V

B 220/ 2V

C 110V

D 220 √2V

Review Detailed Answer

Correct Answer: 220 √2V

The phase of SHM describes________________?

A Displacement only

B The direction of motion only

C Both displacement and direction of motion

D Neither displacement nor direction of motion

Review Detailed Answer

Correct Answer: Both displacement and direction of motion

The frequency of a circuit consisting of a capacitance C and a resistor R is________________?

A C/R

B R/C

C 1/RC

D 1/ 2RC

Review Detailed Answer

Correct Answer: 1/RC

The restoring force acting on the simple pendulum is given by_______________?

A mg sin θ

B mg sin θ

C mg cos θ

D mg cos θ

Review Detailed Answer

Correct Answer: mg sin θ

What is the self-inductance of a coil in which an induced emf of 2V is set up when the current changes at the rate of 4 As-1 ?

A 0.5 mH

B 0.5H

C 2.0H

D 8.0H

Review Detailed Answer

Correct Answer: 0.5H

Which one does not work according to resonance ?

A T.V

B Radio

C Microwave oven

D Bulb

Review Detailed Answer

Correct Answer: Bulb

When a pure inductor of inductance L and a pure capacitor of capacitance C are connected in parallel to a sinusoidal potential difference V the potential difference across both L & C will be_______________?

A Same

B Different

C At L will be more than at C

D At L will be less than at C

Review Detailed Answer

Correct Answer: Same

For what displacement the P.E becomes 1/4 of its maximum value ?

A x = x’

B x = x’/2

C x = x’/4

D x = x(2)’/2

Review Detailed Answer

Correct Answer: x = x’

Ammeter connected in an AC circuit measures______________?

A The exact value of the current

B RMS value of the current

C The net value of the current

D The peak value of the current

Review Detailed Answer

Correct Answer: RMS value of the current

The displacement of SHM is written as X = X`sinθt if the displacement is written by X = Xθ sont then phase constant will be equal to_______________?

A 0°

B 45°

C 90°

D 180°

Review Detailed Answer

Correct Answer: 0°

Showing 611 to 620 of 914 results

Contact Info

Physics 914 MCQs [All-Courses]

All Topics 914

All Topics 914

A 10Ω electric heater is connected to a 220V 50Hz mains supply. What is the peak value of the potential difference across the heater element ?

The phase of SHM describes________________?

The frequency of a circuit consisting of a capacitance C and a resistor R is________________?

The restoring force acting on the simple pendulum is given by_______________?

What is the self-inductance of a coil in which an induced emf of 2V is set up when the current changes at the rate of 4 As-1 ?

Which one does not work according to resonance ?

When a pure inductor of inductance L and a pure capacitor of capacitance C are connected in parallel to a sinusoidal potential difference V the potential difference across both L & C will be_______________?

For what displacement the P.E becomes 1/4 of its maximum value ?

Ammeter connected in an AC circuit measures______________?

The displacement of SHM is written as X = X`sinθt if the displacement is written by X = Xθ sont then phase constant will be equal to_______________?