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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.

Specific resistance of a wire____________________?

A will depend on its length

B will depend on its radius

C will depend on the type of material of the wire

D will depend on none of the above

Review Detailed Answer

Correct Answer: will depend on the type of material of the wire

There are three bulbs of 60W 100W and 200W which bulb has thickest filament ?

A 100W

B 200W

C 60W

D all

Review Detailed Answer

Correct Answer: 200W

Circuit which gives continuously varying potential is called _______________________?

A complex network

B wheat stone bridge

C potential divider

D all of above

Review Detailed Answer

Correct Answer: potential divider

Reciprocal of resistivity is called__________________?

A resistance

B inductance

C conductivity

D flexibility

Review Detailed Answer

Correct Answer: conductivity

Resistance of an ideal insulator is __________________?

A infinite

B zero

C finite

D depends upon nature

Review Detailed Answer

Correct Answer: infinite

An immersion heater of 400 watts kept on for 5 hours will consume electrical power of __________________?

A 2KWh

B 20KWh

C 6KWh

D 12KWh

Review Detailed Answer

Correct Answer: 2KWh

Thermocouples convert___________________?

A heat energy into electrical energy

B heat energy into light energy

C heat energy into mechanical energy

D mechanical energy into heat energy

Review Detailed Answer

Correct Answer: heat energy into electrical energy

Three equal resistors connected in series with a source of e m f together dissipate 10 W of power each. What will be the power dissipated if the same resistors are connected in parallel across the same source of e m f ?

A 40 W

B 90W

C 100W

D 120W

Review Detailed Answer

Correct Answer: 90W

Production of heat due to an electric current flowing through a conductor is given by _________________?

A Joule effect

B Joule Thomsons effect

C Comptons effect

D Feed back effect

Review Detailed Answer

Correct Answer: Joule effect

A wire having very high value of conductance is said to be____________________?

A very good conductor

B moderately good conductor

C an insulator

D no specific criterion available

Review Detailed Answer

Correct Answer: very good conductor

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Physics 914 MCQs [All-Courses]

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All Topics 914

Specific resistance of a wire____________________?

There are three bulbs of 60W 100W and 200W which bulb has thickest filament ?

Circuit which gives continuously varying potential is called _______________________?

Reciprocal of resistivity is called__________________?

Resistance of an ideal insulator is __________________?

An immersion heater of 400 watts kept on for 5 hours will consume electrical power of __________________?

Thermocouples convert___________________?

Three equal resistors connected in series with a source of e m f together dissipate 10 W of power each. What will be the power dissipated if the same resistors are connected in parallel across the same source of e m f ?

Production of heat due to an electric current flowing through a conductor is given by _________________?

A wire having very high value of conductance is said to be____________________?