Ra = 1, R₂ = 36N, R₂ = 24N, R = 12N, R₁ = 6N, R₁ = 20, Rw = 5. Ra AM Rw Bo M RA R₁ Ro Rr R₂

In the given figure, A₁, A₂ and A, are ideal ammeters. If A₂ and A, read 3 A and 4 A respectvely, then A, should read (a) 1 A (c) 7 A Sinusoidal voltage source (b) 5 A (d) None of these

11) 12) For the circuit of Figure 3, the parameters are: I,=2A, L = 5mH, C = 5 mF, R₂ = 1092, R₁ = 1.81 2, and R₂ = 0.2 2. After the switch has been in its initial position for a long time, at 1 = 0 it moves instantaneously to the left as shown in Figure 3. What is the initial value of the time derivative of the capacitor voltage in the circuit, dv(0*)/dt? R₁ a) 14. dv(0*) dt ell dv(0)-7500 V/s dt dv(0*)=0 dt -= 1,200 V/s dv(0*) d) =-2200 V/s dt e) None of the above 1=0 Ⓒv(t)=110.4e-18-90.4e-22 d) v(t)=75.2e-221-55.2e-18 e) None of the above R₂3 Figure 3 a) v(t)=e5¹ (7.5 cos 45t+17 sin 60t) (V) b) v(t)=e-255t (cos60t-17 sin 60t) (V) (V) For the circuit of Figure 3, identify the correct general expression for the voltage, v(t), for 120. (1) R₂ Is

Three resistances, each of 500 ohms are connected in star to a 400 V, 50 Hz, 3 phase supply. Ifthree capacitors, when connected in delta to the same supply, take the same line currents.Calculate the capacitance of each capacitor and the line current.