1
GATE EE 1999
MCQ (Single Correct Answer)
+2
-0.6
When a resistor $$R$$ is connected to a current source, it consumes a power of $$18$$ $$W.$$ when the same $$R$$ is connected to a voltage source having the same magnitude as the current source, the power absorbed by $$R$$ is $$4.5$$ $$W.$$ The magnitude of the current source and the value of $$R$$ are
A
$$\sqrt {18} \,\,A$$ and $$1\,\Omega $$
B
$$3$$ $$A$$ and $$2$$ $$\Omega $$
C
$$1\,A$$ and $$18\,\,\Omega $$
D
$$6\,A$$ and $$0.5\,\,\Omega $$
2
GATE EE 1999
MCQ (Single Correct Answer)
+2
-0.6
Currents $${{\rm I}_1},\,{{\rm I}_2}$$ and $${{\rm I}_3}$$ meet at a junction (node) in a circuit. All currents are marked as entering the node. If $${{\rm I}_1} = - 6\sin \left( {\omega t} \right)$$ $$mA$$ and $${{\rm I}_2} = 8\cos \,\left( {\omega t} \right)\,mA,$$ then $${{\rm I}_3}$$ will be
A
$$10\,\cos \,\left( {\omega t + 36.87} \right)mA.$$
B
$$14\,\cos \,\left( {\omega t + 36.87} \right)mA.$$
C
$$-14\,\sin \,\left( {\omega t + 36.87} \right)mA.$$
D
$$-10\,\cos \,\left( {\omega t + 36.87} \right)mA.$$
3
GATE EE 1998
MCQ (Single Correct Answer)
+2
-0.6
The effective inductance of the circuit across the terminals $$A,B$$ in the Figure shown below is GATE EE 1998 Electric Circuits - Network Elements Question 26 English
A
$$9$$ $$H$$
B
$$21$$ $$H$$
C
$$11$$ $$H$$
D
$$6$$ $$H$$
4
GATE EE 1997
Numerical
+2
-0
A $$10$$ $$V$$ battery with an internal resistance of $$1\,\Omega $$ is connected across a nonlinear load whose $$V-1$$ characteristic is given by $$7{\rm I} = {V^2} + 2V.$$ The current delivered by the battery is ............... $$A.$$
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