The Timer has started 10:00

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

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

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

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

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

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

7)
The PIV of a half wave rectifier circuit with a shunt capacitor filter is
 A) 2Vm
 B) Vm
 C) Vm/2
 D) 3Vm

8)
The ripple factor of a bridge rectifier
 A) 1.21
 B) 0.406
 C) 0.812
 D) 1.11

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

10)
Zener breakdown occurs
 A) Mostly in germanium junctions
 B) Due to rupture of covalent bond
 C) In lightly dopedjunctions
 D) Due to thermally –generated minority carriers