DK POINT is your ultimate destination for interactive multiple-choice questions (MCQs) and engaging quizzes. Test your knowledge, challenge yourself, and have fun while learning. With a wide range of topics, This website helps you prepare for exams, expand your knowledge, and satisfy your curiosity.
DK Point
( Interactive MCQs and Quizzes for Knowledge )
For very low frequencies, capacitor acts as:
A. Rectifier
B. Open circuit
C. Short circuit
D. AmplifierFor high frequencies, capacitor acts as _____ ?
A. Short circuit
B. Rectifier
C. Open circuit
D. AmplifierA 4microF capacitor is charged to 120V, the charge in the capacitor would be ?
A. 30C
B. 30microC
C. 480C
D. 480microCIf 2V is supplied to a 3F capacitor, calculate the charge stored in the capacitor ?
A. 2C
B. 3C
C. 6C
D. 1.5CWhat is the relation between current and voltage in a capacitor ?
A. I=CdV/dt
B. I=Ct
C. I=1/C*integral(Vdt)
D. I=1/CdV/dtTwo 4F capacitors are connected in series, calculate the voltage across each if the total voltage is 20V ?
A. 20V
B. 0V
C. 5V
D. 10VA capacitor does not allow sudden changes in ____ .
A. Voltage
B. Inductance
C. Current
D. ResistanceThe total voltage drop across a series of capacitors is ______.
A. Zero
B. The product of the voltage drop across each of the capacitors
C. The sum of the voltage drop across each of the capacitors
D. The voltage drop across any one of the capacitorsThe current in each branch of a parallel circuit is proportional to ____.
A. Equal in all branches
B. Proportional to the power in the circuit
C. The amount of time the circuit is on for
D. Proportional to the value of the resistorsIn a parallel circuit, with a number of resistors, the voltage across each resistor is _____.
A. Is divided proportionally across all resistors
B. The same for all resistors
C. Is divided equally among all resistors
D. Is zero for all resistors