A resistance of 100 ohms, an inductance of 0.5 henry  are connected in series with a battery of 20 volts. Find the current in the circuit as a function of t.

Curie is the unit of_____?

Who was the inventor of Radar?

Solar radiation is measured by_____?

Relative humidity is measured by____?

Transformer is used____?

Who developed the atom bomb?

Who was the inventor of telescope?

Who gave the first experimental value of G?

Ultrasonics are sound waves of frequency lies______

Who was the inventor of lightning conductor?