Electricity And Magnetism - Study Mode

[#261] Transformer is used for
Correct Answer

(D) To step up or step down AC voltages

[#262] Electric charge (Q) / time (t) = . . . . . . . .
Correct Answer

(A) Electric current (I)

[#263] Find the resistance (in mega O) of a wire of length 10 m, cross sectional area 1 cm 2 and made of a material of resistivity 100 Ohm.
Correct Answer

(D) 10

[#264] Fuse wire used for safety of household have
Correct Answer

(D) Both A and C

[#265] What is the order of magnitude of electric resistance of the human body (dry)?
Correct Answer

(C) 10 6 ohm