# Objective Questions on Circuit Theory | Page – 2

- The voltage across the 1 kΩ resistor between the nodes A and B of the network shown in the given figure is
Under construction.
- In the network shown, what is the current I in the direction shown?
Under construction.
- An electrical circuit with 10 branches and 7 nodes will have
Number of loop equations = branches - nodes + 1 = b - n + 1 = 10 - 7 + 1 = 4 loop equations.
- In given figure, the value of resistance R in Ω is
The given circuit can be simplified by replacing voltage source by equivalent current source as below, The current through 5 Ω resistor is 8 A hence voltage across it is 8 × 5 = 40 V and this is the voltage across unknown resistor R. As current through R is 2 A.
- In given figure, the value of resistance R in Ω is
The given circuit can be simplified by replacing voltage source by equivalent current source as below,
- A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is
- A certain network consists of large number of ideal linear resistances, one of which is designated as R and two constant ideal source. The power consumed by R is P
_{1}when only the first source is active and P_{2}when only second source is active. In both sources are active simultaneously then the power consumed by R isUnder construction. - In the circuit given, I = 1 A for I
_{s}= 0. What is the value of I for I_{s}= 2 A ?Under construction. - In the circuit shown below, what is the voltage across 5 Ω resistor ?
Under construction.
- For the circuit shown in the given figure the current I is given by
Under construction.
- For the circuit given in the figure the power delivered by the 2 V source is given by
Under construction.
- In the circuit shown in the figure, the value of V
_{s}is 0, when I = 4 A. The value of I, when V_{s}= 16 V, isUnder construction. - Consider the following circuit. In this circuit, when V
_{s}= 3 V, I = 4 A, what is the value of I when V_{s}= 12 V?Under construction. - In the figure given, the value of R is
Under construction.
- In the given figure the value of the source voltage is
Under construction.
- Three resistance of two ohms each are connected in star in the equivalent delta representation each resistance will have a value of _______________ Ω.
- Consider the following circuit. What is the value of current I in the 5 Ω resistor in the circuit given in the figure?
Under construction.
- The value of V in the circuit shown in the given figure is
Under construction.
- In the given figure, the Thevenin's equivalent voltage and impedance as seen from the terminals P - Q is given by
Hence the Thevenin's equivalent voltage is 2 V and impedance is 5 Ω.
- For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I?
Under construction.