7000+ General Science Questions with Answers Pdf Download - 1

Question: 1

According to Ohm's law if voltage increase and resistance stays the same and

(A) Current increases

(B) Current remains the same

(C) Current decreases

(D) Resistance decreases

Question: 2

Why are copper wires used as connecting wires?

(A) Low resistivity

(B) Low resistivity

(C) High resistivity

(D) Both a and b

Question: 3

A small wire presents inside the bulb is called

(A) Insulator

(B) Conductor

(C) Filament

(D) None of the above

Question: 4

What does a switch do?

(A) Store the energy

(B) Provide current

(C) Oppose the current

(D) Open and close the circuit

Question: 5

A galvanometer is used to detect the _____ and its direction.

(A) Reference point

(B) Voltage

(C) Frequency

(D) Current