Question

Q.1 Choose the correct answer
1.) A voltmeter is used to measure-
A.) Potential difference B.) Electric current
C.) Electric power
D.) Resistance
2.) The alloy of iron, nickel and chromium is-
A.)Bronze
B.)Brass
C.)Copper
D.)Stainless steel
3.) S.l.unit of potential-
A.)watt
B.)volt
C) ohm
D.)coulumb
4.) Flow of energy is an Ecosystem is always
A.) Unidirectional B.) bidirectional C.)Multidirectional
D)None of these
5.) Which type of lens is used to remove long sightedness-
A) concave
B)convex
C)cylindrical
D) contact​

Answer 1

Answer:

1.B ELECTRIC CRRRENT

Explanation:

Voltmeter, instrument that measures voltages of either direct or alternating electric current on a scale usually graduated in volts, millivolts (0.001 volt), or kilovolts (1,000 volts).