Electricity And Magnetism - Practice Test

(A) it has high resistance

(B) the body is earthed

(C) it does not form a closed path for the flow of current

(D) its feets are good insulators

(C) it does not form a closed path for the flow of current

(A) Fusion reactor

(B) Particle accelerators

(C) Giant Metrewave Radio Telescope

(D) Electric generator

(A) Fusion reactor

(A) Only 1 and 2

(B) Only 1 and 3

(C) Only 2 and 4

(D) Only 3 and 4

(A) Only 1 and 2

(A) $$P = frac{{{I^2}}}{R}$$

(B) P = IR 2

(C) $$P = frac{I}{{{R^2}}}$$

(D) P = I 2 R

(D) P = I 2 R

(A) Inverter

(B) Rectifier

(C) Transformer

(D) Transmitter

(B) Rectifier

Electricity And Magnetism - Study Mode