Q1. The circuit whose properties are same in either direction is:
(A) unilateral circuit
(B) bilateral circuit
(C) irreversible circuit
(D) reversible circuit

Q2. The capacitance of a capacitor is not affected by
(A) area of plates
(B) distance between plates
(C) thickness of plates
(D) all of the above

Q3. The circuit has resistors, capacitors and semi-conductor diodes. The circuit will be a:
(A) linear circuit
(B) non-linear circuit
(C) bilateral circuit
(D) None of these

Q4. For making a capacitor, it is better to select a dielectric having
(A) high permittivity
(B) low permittivity
(C) high permeability
(D) None of these

Q5. When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will
(A) decrease
(B) increase
(C) zero
(D) remain uncharged

Q6. The most effective component to be used in reducing the magnitude of the current flowing through an AC or DC circuit.
(A) Reactor
(B) Resistor
(C) Inductor
(D) Capacitor

Q7. Kirchhoff s law is applicable to
(A) DC circuits only
(B) AC circuits only
(C) both AC as well DC circuits
(D) passive circuits only

Q8. For high efficiency of transfer of power, internal resistance of the source should be
(A) less than the load resistance
(B) more than the load resistance
(C) equal to the load resistance
(D) None of these

Q9. Which method can be used for absolute measurement of resistances?
(A) Ohms law method
(B) Wheatstone bridge method
(C) Newtons method
(D) Lorentz bridge method

Q10. Kirchhoff s current law states that
(A) net current flow at the junction is positive
(B) algebraic sum of the currents meeting at the junction is zero
(C) net voltage at a junction is zero
(D) None of these

Q11. Which of the following materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators.
(A) Varistors
(B) Semi conductors
(C) Thermistor
(D) None of these

Q12. Sparking occurs when a load is switched off because the circuit has high
(A) resistance
(B) inductance
(C) capacitance
(D) impedance

Q13. An ideal voltage source should have
(A) zero source resistance
(B) small value of source resistance
(C) large value of source resistance
(D) infinite source resistance

Q14. A capacitor is generally a
(A) bilateral and active component
(B) linear and bilateral component
(C) non-linear and active component
(D) active, passive, linear and nonlinear component

Q15. Ohms law is not applicable to
(A) DC circuits
(B) semi conductors
(C) small resistors
(D) high currents

Q16. Which of the following theorem is related with the selection of load for maximum power transfer?
(A) Thevenins theorem
(B) Nortans theorom
(C) Millmans theorem
(D) Maximum power transfer theorem

Q17. If the efficiency of a machine is to be high, which of the following should be low?
(A) Input power
(B) Losses
(C) output power
(D) Ratio of output to input

Q18. Superposition theorem can be applied only to circuits having
(A) non-linear elements
(B) linear bilateral elements
(C) resistive elements
(D) passive elements

Q19. Kirchhoffs voltage law is related to
(A) junction currents
(B) IR drops
(C) battery EMFs
(D) both B and C

Q20. Bulbs in street lighting are all connected in
(A) series
(B) parallel
(C) series or parallel
(D) None of these

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