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Using the mesh current method, find the branch current, IR1, in the above figure.<br> <img src="/images/question-image/electrical-engineering/branch,-loop-and-node-analyses/1526016874-1.png" title="Branch, Loop and Node Analyses mcq question image" alt="Branch, Loop and Node Analyses mcq question image">
A
115 mA
B
12.5 mA
C
12.5 A
D
135 mA
Correct Answer:
115 mA
Find branch current IR2.
A
5.4 mA
B
-5.4 mA
C
113.0 mA
D
119.6 mA
Find the node voltage VA.
A
518 mV
B
5.18 V
C
9.56 V
D
956 mV
Find the node voltage VA.
A
6 V
B
12 V
C
4.25 V
D
3 V
What is the current through R2?
A
3.19 A
B
319 mA
C
1.73 A
D
173 mA
What is the voltage drop across R1?
A
850 mV
B
7.82 V
C
9.18 V
D
918 mV
Let $${I_1}$$ and $${I_2}$$ represents mesh currents in the loop abcda and befcb respectively. The correct expression describing Kirchhoff's voltage loop law in one of the following loops is,
A
$$30{I_1} - 15{I_2} = 10$$
B
$$ - 15{I_1} + 20{I_2} = - 20$$
C
$$30{I_1} - 15{I_2} = - 10$$
D
$$ - 15{I_1} + 20{I_2} = 20$$
Consider a conducting loop of radius a and total loop resistance R placed in a region with a magnetic field B thereby enclosing a flux $${\phi _0}$$ . The loop is connected to an electronic circuit as shown, the capacitor being initially uncharged.
If the loop is pulled out of the region of the magnetic field at a constant speed u, the final output voltage V
out
is independent of
A
$${\phi _0}$$
B
u
C
R
D
C
An infinitely long wire carrying a current $$I\left( t \right) = {I_0}\cos \left( {\omega t} \right)$$ is placed at a distance a from a square loop of side a as shown in the figure. If the resistance of the loop is R, then the amplitude of the induced current in the loop is
A
$$\frac{{{\mu _0}}}{{2\pi }} \cdot \frac{{a{I_0}\omega }}{R}\ln 2$$
B
$$\frac{{{\mu _0}}}{\pi } \cdot \frac{{a{I_0}\omega }}{R}\ln 2$$
C
$$\frac{{2{\mu _0}}}{\pi } \cdot \frac{{a{I_0}\omega }}{R}\ln 2$$
D
$$\frac{{{\mu _0}}}{{2\pi }} \cdot \frac{{a{I_0}\omega }}{R}$$
“In any linear bilateral network, if a source of e.m.f. E in any branch produces a current I in any other branch, then same e.m.f. acting in the second branch would produce the same current / in the first branch”. The above statement is associated with
A
Compensation theorem
B
Superposition theorem
C
Reciprocity theorem
D
None of the above
I1 is the current flowing in the first mesh. I2 is the current flowing in the second mesh and I3 is the current flowing in the top mesh. If all three currents are flowing in the clockwise direction, find the value of I1, I2 and I3.
A
7.67A, 10.67A, 2A
B
10.67A, 7.67A, 2A
C
7.67A, 8.67A, 2A
D
3.67A, 6.67A, 2A
