The Timer has started 10:00
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1)
The reference/common point among all the nodes without insertion of any component between them is called
- A) node
- B) ground
- C) mesh
- D) loop
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2)
In a Norton's theorem , norton's resistance Inor is calculated
- A) at open terminals of the open circuit
- B) by short circuiting the open terminal of the circuit
- C) across the load
- D) any where
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3)
In a thevenin's theorem , the condition to find Vth is
- A) to add more load resistance
- B) to remove load resistance
- C) to convert load into short circuit
- D) open circuit the current source
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4)
Using superposition theorem, for a circuit containing independent sources, any remaining voltage source is
- A) remain same
- B) made zero by replacing them by open circuit
- C) made zero by replacing them by capacitor
- D) made zero by replacing them by short circuit
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5)
In Norton, s theorem , while calculating Rn
- A) Short circuit the current source and open circuit the voltage source
- B) open circuit the current source and short circuit the voltage source
- C) insert the load
- D) just open circuit current source
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6)
The primary function of a filter is to
- A) Minimize ac input variations
- B) Suppress odd harmonics in the rectifier output
- C) Stabilize dc level of the output voltage
- D) Remove ripples from the rectified output
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7)
The PIV of a half wave rectifier circuit with a shunt capacitor filter is
- A) 2Vm
- B) Vm
- C) Vm/2
- D) 3Vm
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8)
The ripple factor of a bridge rectifier
- A) 1.21
- B) 0.406
- C) 0.812
- D) 1.11
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9)
Three bulbs are connected in series of a battery, what would happen if any one bulb is opened.
- A) half of current will flow
- B) same current will flow
- C) no current will flow
- D) 2/3 current will flow
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10)
Zener breakdown occurs
- A) Mostly in germanium junctions
- B) Due to rupture of covalent bond
- C) In lightly doped-junctions
- D) Due to thermally –generated minority carriers
