Electric Circuits Which quantity should be measured by the voltmeter ? Power Current Voltage Speed Power Current Voltage Speed ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit. In this circuit, when Vs = 3 V, I = 4 A, what is the value of I when Vs = 12 V? 7 A. 10 A. 15 A. 20 A. 7 A. 10 A. 15 A. 20 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – εr/F. 0. F. F εr. εr/F. 0. F. F εr. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In direct arc furnace which of following is of high value? Current. Power factor. All of above. Voltage. Current. Power factor. All of above. Voltage. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to Q / d2. Q × d. Q2 / d. Q2 × d. Q / d2. Q × d. Q2 / d. Q2 × d. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current in a circuit is given by, If the current flows through the 5 Ω resistor, find power dissipated at t = 0? 40 Watts. 10 Watts. 15 Watts. 20 Watts. 40 Watts. 10 Watts. 15 Watts. 20 Watts. ANSWER DOWNLOAD EXAMIANS APP