# The voltage across the 1 kΩ resistor between the nodes A and B of the network shown in the given figure is

1.  2 V

2.  3 V

3.  4 V

4.  8 V

4

2 V

Explanation :
No Explanation available for this question

# The value of the resistance R in the circuit shown in the given figure is varied in such a manner that the power dissipated in the 3ohm resistor is maximum, Under this condition, the value of R will be

1.  3 Ω

2.  9 Ω

3.  12 Ω

4.  6 Ω

4

6 Ω

Explanation :
No Explanation available for this question

# A resistor R is connected to voltage source V, having an internal resistance R, A voltmeter of resistance Rm is connected across the terminals of the resistor R, The voltmeter will read a voltage of

1.

2.

3.

4.

4 Explanation :
No Explanation available for this question

# Consider the two circuits I and II shown is the following figures Which one of the following statements regarding the current flowing through the ammeters A1 and A2 is correct

1.  The currents in A1 and A2 are the same value of equal 0.25 A

2.  The currents in A1 and A2 are respectively 0.25 A and 2.5 A

3.  The currents in both the ammeters is of the same value of equals 2.5 A

4.  The currents in A1 and A2 are respectively 2.5 A and 0.25 A

4

The currents in A1 and A2 are the same value of equal 0.25 A

Explanation :
No Explanation available for this question

# A battery charger can drive a current of 5A into a 1ohm resistance connected at its output terminals , If it is able to charge an ideal 2V battery at 7A rate, then its Thevenin’s equivalent will be

1.  7.5 V in series with 0.5 ohms

2.  12 V in series with 1.5 ohms

3.  7.5 V in parallel with 0.5 ohmsx

4.  1.25 V in parallel with 1.5 ohms

4

12 V in series with 1.5 ohms

Explanation :
No Explanation available for this question

# In the circuit shown in the figure , if R0 is adjusted such that |VAB| = |VBC|, then

1.

2.   | VBC | = | VDC |

3.  | VAB | = | VAD |

4.

4

| VAB | = | VAD |

Explanation :
No Explanation available for this question

# The resistance R looking into the terminals AB in the circuit shown in the figure will be

1.  0.5 Ω

2.  2 Ω

3.  3 Ω

4.  7 Ω

4

2 Ω

Explanation :
No Explanation available for this question

# The circuit shown in Fig-I is replaced by that in Fig-II , If current I remains the same, then Ro will be

1.  zero

2.  R

3.  2R

4.  4R

4

4R

Explanation :
No Explanation available for this question

# In the circuit shown in the given figure , switch K is closed at t0, The circuit was initially relaxed, Which one of the following sources of v(t) will produce maximum current at t = 0+

1.  Unit step

2.  Unit impulse

3.  Unit ramp

4.  Unit step plus unit ramp

4

Unit impulse

Explanation :
No Explanation available for this question

1.  zero