physics

Fleming’s right hand rule is also called the?

A. motor rule B. dynamo rule C. screw rule D. thumb rule Correct Answer: Option B B. dynamo rule

6 years ago

Which of the following actions will not increase the sensitivity of a moving coil galvanometer?

A. using a strong temporary magnet B. increasing the area and number of turns of the coil C. using a…

6 years ago

A voltmeter is a device that?

A. draws high current B. has a very low resistance C. has a very high resistance D. is able to…

6 years ago

Three capacitors each of capacitance 1.5μF are connected in series. The total capacitance in the circuit is?

A. 2.0 μF B. 1.5 μF C. 0.6 μF D. 0.5 μF Correct Answer: Option D D. 0.5 μF

6 years ago

A wire 1.0m long and with cross-sectional area, 2.0 x 10-7 m² has a resistance of 0.1Ω. Calculate the electrical conductivity of the wire

A. 2.0 x 107Ω‾¹m‾¹ B. 5.0 x 107Ω‾¹m‾¹ C. 2.0 x 108Ω‾¹m‾¹ D. 5.0 x 108Ω‾¹m‾¹ Correct Answer: Option B…

6 years ago

Which of the following is a unit of the time rate of flow of electric charges?

A. coulomb B. ampere C. volt D. watt Correct Answer: Option B B. ampere

6 years ago

A negatively charged rod is held close to an uncharged metal ball on an insulating stand. The ball will?

A. be negatively charged B. be positively charged C. have an excess negatively charges on the side nearest the rod…

6 years ago

Which of the following defects of vision is as a result of the eyeball being too long?

A. long sight B. astigmatism C. short sight D. loss of accommodation Correct Answer: Option C C. short sight

6 years ago