Question : A wire-carrying current is

Option 1: positively charged

Option 2: negatively charged

Option 3: neutral

Option 4: charged with a type depending upon the current strength

Question : Which of the following is an example of contact force?

Option 1: Electrostatic force

Option 2: Muscular force

Option 3: Gravitational force

Option 4: Magnetic force

Question : According to _____ law, the heat produced by an electric current is directly proportional to the resistance of the conductor, the square of the current and the time it flows.

Option 1: Hooke's

Option 2: Charles's

Option 3: Faraday's

Option 4: Joule's

Question : Which of the following is a warm current?

Option 1: Labrador Current

Option 2: Falkland current

Option 3: Canary Current

Option 4: Gulf stream

Question : Silicon is a:

Option 1: semiconductor

Option 2: insulator

Option 3: non-conductor

Option 4: carbon dioxide