Choose the correct for all pleaseHigh voltage 7. The ripple voltage in the d.c. output is small ifa) frequency of supply is highb) the filtering capacitor is smallc) the load current is larged) none of the above is true8. A Van de Graaff generator has a belt speed of 3 m/s, charge density of 12 µc/m2 anda belt width 2 m. The maximum charging current is:a) 45 μΑb) 50 μΑc) 72 μΑd) 81 µA9. For a 3 stage Cascaded transformer if P1, P2, P3 are the loadings of I, II and IIIstages primaries, thena) P1 > P2 > P3b) P1 = P2 = P3c) P2 < P1 < P3d) P1 < P2 < P310. Parallel resonant transformer test system is used whena) large test voltages are neededb) when high frequency test voltage is neededc) stable output voltage with high rate of rise of voltage is neededd) large current is needed

Q7 Need to find if ripple voltage small with the given voltage Note : as per rule we have to solve…

7. The ripple voltage in the d.c. output is small if a) frequency of supply is high b) the filtering capacitor is small c) the load current is large d) none of the above is true 8. A Van de Graaff generator has a belt speed of 3 m/s, charge density of 12 µc/m2 and a belt width 2 m. The maximum charging current is: a) 45 μΑ b) 50 μΑ C ) 72 μΑ d) 81 μΑ 9. For a 3 stage Cascaded transformer if P1, P2, P3 are the loadings of I, II and III stages primaries, then a) P1 > P2 > P3 b) P1 = P2 = P3 c) P2 < P1 < P3 d) P1 < P2 < P3 10. Parallel resonant transformer test system is used when a) large test voltages are needed b) when high frequency test voltage is needed c) stable output voltage with high rate of rise of voltage is needed d) large current is needed

7. The ripple voltage in the d.c. output is small if a) frequency of supply is high b) the filtering capacitor is small c) the load current is large d) none of the above is true 8. A Van de Graaff generator has a belt speed of 3 m/s, charge density of 12 µc/m2 and a belt width 2 m. The maximum charging current is: a) 45 μΑ b) 50 μΑ C ) 72 μΑ d) 81 μΑ 9. For a 3 stage Cascaded transformer if P1, P2, P3 are the loadings of I, II and III stages primaries, then a) P1 > P2 > P3 b) P1 = P2 = P3 c) P2 < P1 < P3 d) P1 < P2 < P3 10. Parallel resonant transformer test system is used when a) large test voltages are needed b) when high frequency test voltage is needed c) stable output voltage with high rate of rise of voltage is needed d) large current is needed

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter17: Resistive-inductive Series Circuits

Section: Chapter Questions

Problem 2PP: Assume that the voltage drop across the resistor, ER, is 78 V, that the voltage drop across the...

See similar textbooks

Similar questions

Assume that the voltage drop across the resistor, ER, is 78 V, that the voltage drop across the inductor, EL, is 104 V, and the circuit has a total impedance, Z, of 20 . The frequency of the AC voltage is 60 Hz. ETITZ20VAPFER78VIRRPEL104VILXLVARsLL
The following parameters are used in an EDM process, the supply voltage is 150V. The resistance and capacitance in the circuit are 50 Ohms and 15 microfarads respectively. The tool is made of brass and kerosene is used as the dielectric. A hole diameter of 20 mm is to be cut into a plate of thickness of 3mm. If the discharge takes place at maximum power conditions. The value of constant K4=0.18, calculate the MRR, and machining time.
A LRC electric circuit is conected in series has a voltage source of E(t)=20sin(10t) Volts, and a resistance of 20 ohm, and a inductance of 0.05 Henrys and a capacitor of 0.01 Farads, if the current equal to 0, and the initial charge of the capacitor is 2 coulombs, Calculate the charge in the capacitor when t=0 and the current in the circuit when t > 0
Given V(t) = 3(5t + 2)V for 0 ≤ t ≤ 5s, find the current (I(t)) and charge (Q(t)) in capacitor with C = 900nF. Assume the capacitor is initially discharged (Vc(t<0) = 0V)
Given the capacitance of four capacitors Ca= 30 µF, Cb = 20 µF, Cc = 40 µF and Cd = 10 µF. If Cb and Cc are connected in parallel and the parallel combination is connected in series with Ca and the combination is further connected in parallel with Cd, calculate (a) the equivalent capacitance (b) the voltage across each capacitor if the circuit is supplied by 240 volts DC source (c) the charge on each capacitor.
A ceramic capacitor is to be constructed to have a capacitance of 0.01µF and to have a steady working potential of 2.5 kV maximum. Allowing a safe value of field stress of 10 MV/m, determine (a) the required thickness of the ceramic dielectric, (b) the area of plate required if the relative permittivity of the ceramic is 10, and (c) the maximum energy stored by the capacitor.
Differential Equation: y′′+6y′+58y=0 describes a series inductor-capacitor-resistor circuit in electrical engineering.The voltage across the capacitor is y (volts). The independent variable is t(seconds). Boundary conditions at t=0 are: y = 6 volts and y′=8 volts/sec . Determine the capacitor voltage at t=0.40seconds . ans:1
An electrical circuit contains a resistance R ohms and a capacitor C farads which initially holds acharge Q coulombs. The rate of discharge of the capacitor is given by the equation dQ/dt + Q/RC =0where t is the time in seconds. If R = 80,000 ohms and C = 0·3x 10^-6 farads and also Q = 0·0015coulombs initially, find the equation connecting Q and t. Find Q when t = 0·02 seconds and also twhen Q = 0·001 coulombs
Find the impedance theoretically of a wire if it carries the frequency 10 kHz have a voltage is 8v, the current is 2mA, resistance is 12 kΩ , inductance 27 mH and capacitance 0.2 µf
An electrical circuit has a very small resistance so it can be despised. The capacitor on the left was charged up to the voltage of Vo=10 volts and then, at time t=0, the switch S was closed. The capacity of the capacitors are C=60 µF, and the coil inductance is L=0.04 HI) Find the voltage on the left capacitor, at the instant V1=0.001 s.II) Find the voltage in the right capacitor, at the instant t=002 s.
A 500 ohm resistor, an 1.5 F uncharged capacitor, and a 6.16-V emf are connected in series. (a) What is the initial current? (b) What is the time constant? (c) What is the final voltage on the capacitor? (d) what is the final charge on the capacitor? What is the final energy stored in the capacitor? (e) Express (i) Current in the circuit, (ii) Voltage on the capacitor, (iii) Charge accumulated on either plate of capacitor, (iv) energy stored in the capacitor as a function of time. (must include all the value calculated in the earlier part). (f) What is the i) current ii) charge on capacitor, iii) voltage on capacitor & iv) Energy stored in the capacitor after one time constant?
A heart defibrillator is used to resuscitate an accident victim by discharging a capacitor through the trunk of her body. A simplified version of the circuit is shown . (a) What is the time constant if an 8.00-μF capacitor is used and the path resistance through her body is 1.00×103 Ω ? (b) If the initial voltage is 10.0 kV, how long does it take to declineto 5.00×102 V ?