Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 300 mW 200 mW None of these 20 mW 10 mW 300 mW 200 mW None of these 20 mW 10 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: None of these that would be attracted to the earths north magnetic pole that would be repelled by the north pole of another magnet that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern None of these that would be attracted to the earths north magnetic pole that would be repelled by the north pole of another magnet that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is None of these An imbalance of electrical charges The number of free electrons in an atom The force that causes electrons to flow The flow of charged particles through a material None of these An imbalance of electrical charges The number of free electrons in an atom The force that causes electrons to flow The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.3 A 0.2 A None of these 0.6 A 0.4 A 0.3 A 0.2 A None of these 0.6 A 0.4 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: multiplies the value of inductance by two multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? None of these Impossible to say Neither Secondary voltage Primary voltage None of these Impossible to say Neither Secondary voltage Primary voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS