Physics . . . . . . . . . exerts a force on anything that has an electric charge. Electrostatic force Inductive field All of these Electric field Electrostatic force Inductive field All of these Electric field ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of a conductor is inversely proportional to its: Length Temperature Resistivity Area of cross section Length Temperature Resistivity Area of cross section ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is a good electrical conductor? Peat Charcoal Diamond Graphite Peat Charcoal Diamond Graphite ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 300 m 0.3 m 30 m 3 m 300 m 0.3 m 30 m 3 m ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Attracting a magnetic substance Point in a particular direction Hysteresis Susceptibility independent of temperature Attracting a magnetic substance Point in a particular direction Hysteresis Susceptibility independent of temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS