Hi friends, these are some of the multiple choice questions on electrical circuits. These are some of the basic questions which are asked in previous competitive papers check out and comment...
1) Effects of capacitance
A) It opposes any change in the amount of voltage
B) Voltage is lagged behind the current by a quarter cycle
C) Electric energy is stored in the capacitor in the form of electrostatic field
D) All of the above
Ans:A
2) Points to be considered in choosing a capacitor
A) Working voltage
B) Type of dielectric
C) Capacitance
D) All of the above
Ans:D
3) Permeability is otherwise known as
A) Magnetic conductivity
B) Magnetic susceptibility
C) Electric conductivity
D) Electric susceptibility
Ans:A
4) The impedance in the study of electronics is represented by resistance and
A) Inductance
B) Capacitance
C) Inductance and capacitance
D) Reactance
Ans:D
5) Loop currents should be assumed to flow in which direction
A) Straight
B) Clockwise
C) Counter-clockwise
D) Either B or C arbitrarily selected
Ans:D
6) What determines the direction of induced emf in a conductor or coil?
A) Cork screw rule
B) Fleming’s left hand rule
C) Ampere’s circuital law
D) Fleming’s right hand rule
Ans:D
7) The reason why electrical appliances are connected in parallel.
A) It is a simple circuit
B) This makes the operation of appliances independent of each other
C) This results in reduced power consumption
D) All of the above
Ans:B
8) Which of the following does not affect resistance?
A) Resistivity
B) Cross-sectional area
C) Mass
D) Length
Ans:C
9) Which of the following is not considered a physical factor affecting resistance?
A) Length
B) Material type
C) Temperature
D) Cross-sectional
Ans:C
10) A 0.09 mic rofarad capacitor is charged to 220 volts. How long in milliseconds will it discharged resistor has a resistance of 20,000 ohms?
A) 1.5
B) 2.5
C) 1.25
D) 0.5
Ans:C
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1) Effects of capacitance
A) It opposes any change in the amount of voltage
B) Voltage is lagged behind the current by a quarter cycle
C) Electric energy is stored in the capacitor in the form of electrostatic field
D) All of the above
Ans:A
2) Points to be considered in choosing a capacitor
A) Working voltage
B) Type of dielectric
C) Capacitance
D) All of the above
Ans:D
3) Permeability is otherwise known as
A) Magnetic conductivity
B) Magnetic susceptibility
C) Electric conductivity
D) Electric susceptibility
Ans:A
4) The impedance in the study of electronics is represented by resistance and
A) Inductance
B) Capacitance
C) Inductance and capacitance
D) Reactance
Ans:D
5) Loop currents should be assumed to flow in which direction
A) Straight
B) Clockwise
C) Counter-clockwise
D) Either B or C arbitrarily selected
Ans:D
6) What determines the direction of induced emf in a conductor or coil?
A) Cork screw rule
B) Fleming’s left hand rule
C) Ampere’s circuital law
D) Fleming’s right hand rule
Ans:D
7) The reason why electrical appliances are connected in parallel.
A) It is a simple circuit
B) This makes the operation of appliances independent of each other
C) This results in reduced power consumption
D) All of the above
Ans:B
8) Which of the following does not affect resistance?
A) Resistivity
B) Cross-sectional area
C) Mass
D) Length
Ans:C
9) Which of the following is not considered a physical factor affecting resistance?
A) Length
B) Material type
C) Temperature
D) Cross-sectional
Ans:C
10) A 0.09 mic rofarad capacitor is charged to 220 volts. How long in milliseconds will it discharged resistor has a resistance of 20,000 ohms?
A) 1.5
B) 2.5
C) 1.25
D) 0.5
Ans:C
If you like my post please share it with your friends and subscribe to latest updates.. If you have doubts you can start new topic on forum and start discussion with our readers..
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