Electric Circuits A variable capacitance is one whose capacitance can be changed manually or by mechanical force. changes with voltage. changes with temperature. changes with time. can be changed manually or by mechanical force. changes with voltage. changes with temperature. changes with time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The thevnin equivalent of the circuit shown in the figure is 1.5V, 5/6 Ohm 1.5V, 1.5 Ohm 0.75 V, 1.5 Ohm 0.75V, 5/6 Ohm 1.5V, 5/6 Ohm 1.5V, 1.5 Ohm 0.75 V, 1.5 Ohm 0.75V, 5/6 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 7 V. 4.123 V. {3 + 2(1.141)} V. 5 V. 7 V. 4.123 V. {3 + 2(1.141)} V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Internal resistance of ideal voltage source is zero finite 100 ohms infinite zero finite 100 ohms infinite ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 25 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 25 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 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? 15 A. 7 A. 10 A. 20 A. 15 A. 7 A. 10 A. 20 A. ANSWER DOWNLOAD EXAMIANS APP