Electricity And Magnetism - Study Mode

[#331] Consider the following statements. Assertion (A): Lightning conductors prevent buildings from damages in the event of lightning strike. Reason (R): The electric charge conduct to ground through the wire, instead of passing through the structure. Select the correct answer:
Correct Answer

(A) Both (A) and (R) are true and (R) is the correct explanation of (A)

[#332] If the value of V/I is a constant, then what is it called?
Correct Answer

(D) resistance

[#333] The SI unit of electric field is
Correct Answer

(A) NC -1

[#334] When a current of 0.5A flows through a filament of the electric bulb. Then amount of electric charge flows through a circuit is 300C, Calculate the time.
Correct Answer

(A) 600 s

[#335] The temperature of the filament of lighted electric bulb is generally
Correct Answer

(C) 2000°C to 2500°C