Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? Z and I. VL and VR. VR and I. VL and Z. Z and I. VL and VR. VR and I. VL and Z. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Internal resistance of ideal current source is zero 100 ohms infinite finite zero 100 ohms infinite finite ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistor are said to be connected in parallel when both carry the same value of current. total current equals the sum of branch currents. both ‘b’ and ‘c’ both have the same potential difference. both carry the same value of current. total current equals the sum of branch currents. both ‘b’ and ‘c’ both have the same potential difference. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? RYB. BYR. RBY. YBR. RYB. BYR. RBY. YBR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be 1 kΩ, 1 W. 2 kΩ, 1 W. 0.5 kΩ, 2 W. 2 kΩ, 0.5 W. 1 kΩ, 1 W. 2 kΩ, 1 W. 0.5 kΩ, 2 W. 2 kΩ, 0.5 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A variable capacitance is one whose capacitance changes with voltage. changes with temperature. can be changed manually or by mechanical force. changes with time. changes with voltage. changes with temperature. can be changed manually or by mechanical force. changes with time. ANSWER DOWNLOAD EXAMIANS APP