physics

In which of the points labelled A, B, C, D and E on the conductor shown would electric charge tend to concentrate most?

A. A B. B C. C D. E Correct Answer: Option D D. E Explanation - Charge are mostly concentrated…

6 years ago

Any line or section taken through an advancing wave in which all the particles are in the same phase is called the?

A. wavelength B. wave coast C. wave trough D. wave front Correct Answer: Option D D. wave front Explanation Wave…

6 years ago

The Earth’s magnetic equator passes through Jos in Nigeria. At Jos, the?

A. angle of variation is zero B. magnetic declination is 90 C. angle of dip is zero D. horizontal component…

6 years ago

Calculate the velocity ratio of a screw jack of pitch 0.2cm if the length of the tommy bar is 23cm?

A. 230π B. 23π C. 70π D. 140π Correct Answer: Option A A. 230π

6 years ago

Which of the following statement about the electromagnet shown above is correct?

A. when the current flows from A to B, the end A will be in north pole B. when the…

6 years ago

A single force which produces the same effect as a set of forces acting together at a point is known as the?

A. component B. equilibrant C. resultant D. resistant Correct Answer: Option C C. resultant Explanation Resultant is the representing vector…

6 years ago

Radio waves belongs to the class of ware whose velocity is about?

A. 340m/s B. 3 × 10^6 m/s C. 3 × 10^8 m/s D. 3 × 10^−8 m/s Correct Answer: Option…

6 years ago

One newton × One meter equals?

A. One water B. One Joule C. One ampere D. One kilogram Correct Answer: Option B B. One Joule Explanation…

6 years ago