Explanation

The direction of the magnetic field around most objects or magnets is from the north pole to the south pole.

Explanation

The power factor for a pure capacitive circuit is 0.

Explanation

Petroleum, natural gas & coal are called non-renewable energy sources.

The most popular renewable energy sources currently are:

1.      Solar energy

2.      Wind energy

3.      Hydro energy

4.      Tidal energy

5.      Geothermal energy

6.      Biomass energy

Explanation

Difference between AC generator and DC generator: AC generator produces alternating current, while DC generator produces direct current.

Explanation

If mass of bob of simple pendulum increase its time period will unaffected.

As time period only depends only depends upon length of pendulum and acceleration due to gravity at that position.

$T=\sqrt[2\pi ]{2\pi \frac{l}{g}}$

$T$ = time period

$l$= length of pendulum

$g$= Acceleration at the position of simple pendulum.

Explanation

Explanation

Focus is the point where the parallel beam of light rays originating from a point on the object converges.

Explanation

“Elaborate with examples, the first law of motion” indicates comprehension.

Explanation

A principle in physics that states that energy can neither be created nor destroyed and that the total energy of a system by itself remains constant.

Explanation