EXAMIANS
A 470 resistor and a 0.2 F capacitor are in parallel across a 2.5 kHz ac source. The admittance, Y, in rectangular form, is
YOUR ANSWER : ?
YOUR ANSWER : ?
Point +4 on the complex plane is
YOUR ANSWER : ?
In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is
YOUR ANSWER : ?
A 12 kΩ resistor is in series with a 0.02 μF capacitor across a 1.2 kHz ac source. If the current is expressed in polar form as I = 0.3 angle 0° mA, what is the source voltage expressed in polar form?
YOUR ANSWER : ?
The complex number 40 angle 55° is equivalent to
YOUR ANSWER : ?
The complex number 6 + j6 is equivalent to
YOUR ANSWER : ?
When the frequency of the voltage applied to a series RC circuit is increased, the phase angle
YOUR ANSWER : ?
An ac circuit consists of a resistor and a capacitor. To increase the phase angle above 45°, the following condition must exist:
YOUR ANSWER : ?
What is the value of the hypotenuse of a right triangle whose sides are 12 and 18?
YOUR ANSWER : ?
A resistor and a capacitor are in series across a 20 V ac source. Circuit impedance is 4.33 k. Current flow in the circuit is
YOUR ANSWER : ?