326. In the circuit shown in the given figure, RL will absorb maximum power when its value is
327. In an RC series circuit excited by dc voltage E, the current at t = 0 is
328. The current through a 10 Ω resistance in a dc circuit having two emf sources is 3A. If this resistance is changed to 20 Ω, the new value of current will be
329. A planar graph has 6 nodes and 7 branches. The number of meshes in the dual graph is
330. An ac voltage 20 sin 1000t feeds an R-C series circuit. R = 8 Ω and active power is 4 W. The power factor is
331. For a sine wave the average value is calculated over half the cycle.
332. Two resistances of 2 Ω each are connected in series. A shunt having zero resistance is connected across the combination. The overall resistance will be
333. The poles and zeros of a positive real function
334. In a linear circuit, the superposition principle can be applied to calculate the
335. If A = 7 ∠15, A2 is
336. The colour coding of a resistors shows 100 K, ± 10%. When the resistance was measured with an ohmmeter, it read
337. The output voltage of a charger is
338. The circuit in figure has reached steady values with switch open. If switch is closed at t = 0 the voltage across 2 μF capacitance at t = 0+ is
339. In the circuit of figure
340. As per BIS, solid insulators are classified into 6 categories.
341. Dielectric constant of air is about 5.
342. Consider the following units sec-1rad2/sec2secΩ The units of , RC and are respectively
343. In a conductor, voltage v, conductance G and charges q are related as
344. The current wave in figure is passed through 3 H inductor. The voltage across inductance during the period 2 < t < 3 seconds is
345. In figure, the charge on 0.8 μF capacitor is
346. Maximum power transfer theorem finds application in
347. In a series L-C circuit fed by ac voltage, voltage drops across L and C are 40 V and 30 V respectively. The supply voltage is
348. In a reactance function
349. In figure, the switch is closed at t = 0 when current through inductor is 6 A, the rate of change of current through resistor is 6 A/s. The value of L is
350. In figure, the switch is closed at t = 0. At t = 0+, di/dt = 4 A/s. Then V =