Q. In a reactance function

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Q. A series resonant circuit has R = 2 Ω, L = 0.1 H and C =10 μF. At resonance applied voltage = 10 ∠0 V. Voltage across inductance is likely to be

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Q. If A = 3 + j1 and B = 4 + j3, A - B =

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Q. Two impedances 10 - j 10 and 10 + j 10 are connected in parallel. Their combined impedance is

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Q. Resistivity of semiconductors is around 100 Ω-m.

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Q. Two capacitors of 20 μF each are in series. The total capacitance is

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Q. Thevenin's theorem is used to find current in a branch of a network. It is now desired to find current in another branch of the network

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Q. A two branch parallel tuned circuits has a coil of resistance R and inductance L in one branch and capacitance C in the second branch. The bandwidth is 200 radians/sec. A load of resistance RL is connected in parallel. The new bandwidth will be

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Q. The correct relation between joules and calories is

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Q. A voltage v = 100 sin (100 pt + 45°) V is applied to an impedance 10 + j10 ohm. The current is

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Q. A 20 Ω resistor, a 1H inductor and 1μF capacitor are connected in parallel the combination is driven by a unit step current. Under the steady state, source current flows through

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Q. A series resonant circuit has parameters 10 ω, 1 H and 0.1 F. It is excited by a voltage v = 100 sin ωt. At resonant frequency, the power dissipated in the circuit is

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Q. Assertion (A): A tree of graph contains all the nodes of the graph.

Reason (R): The number of links is always less than the number of tree branches.

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Q. Cells are connected in series to increase

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Q. As per BIS, solid insulators are classified into 6 categories.

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Q. Dielectric constant of air is about 5.

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Q. Consider the following units

1. sec¯¹
2. rad²/sec²
3. sec
4. Ω

The units of R/L, 1/LC, RC and √L/C are respectively

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Q. If f(t) = - f(- t) and f(t) satisfies Dirichlet conditions, then f(t) can be expanded in Fourier series having

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Q. Consider the following

If a network has impedance (1 - j) at a specific frequency, the circuit would consists of series
1. R and C
2. R and L
3.R, L and C

Which of these statements is correct?

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Q. Assertion (A): Power is the rate at which energy is supplied.

Reason (R): Energy = VIt.

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