4. If the load resistor of Figure 7-1B is disconnected, the current through the zener diode is approximately (a) 0 mA 5. The power dissipated by the zener diode for the circuit in Figure 7-1B is (b) 10 mA (c) 20 mA (d) 40 mA ( ) greatest when (a) the zener diode is shorted (b) the load resistor is removed (c) the load resistor is shorted (d) the input voltage is increased ()

4. If the load resistor of Figure 7-1B is disconnected, the current through the zener diode is approximately (a) 0 mA 5. The power dissipated by the zener diode for the circuit in Figure 7-1B is (b) 10 mA (c) 20 mA (d) 40 mA ( ) greatest when (a) the zener diode is shorted (b) the load resistor is removed (c) the load resistor is shorted (d) the input voltage is increased ()

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.3P

See similar textbooks

Similar questions

If the load resistor of Figure 7-1B is disconnected the current through the zener diode is approximately: (a) 0mA (b) 10mA (c) 20mA (d) 40mA ( )
A series circuit is set up with an AA battery along with an mystery material and ammeter; however, there’s no current passing through. A.Insulator B.Conductor C.Semiconductor
The resistance R and a 2 μF capacitor are connected in series across 200-V dc supply. Across the capacitor is a neon lamp that strikes at 120 volts. Calculate the value of R to make the lamp strikes 5 seconds after the switch has been closed.
The switch, s, in the circuit shown in Figure 6 has been openfor a long time. Determine;a. The current that will flow through R1 after the switch isclosed.b. The peak current that will flow through the switch.
A resistance of 12 ohms and capacitance of 0.01 farad is connected in series with a 200 volts battery. Find the charge after 0.5 second and the current after 0.4 second
Need to find I and Vx. I know the answers are I=0.9mA and Vx=0V, both diodes are on. I am struggling with KCL and KVL on this, could you please give a detailed explanation. Thank you!
What is the current Io in the figure if Is = 70
U:21) Determine a voltage divider (as shown below) so that the circuit generate stiff (constant) voltage of 10 v for Rl>10 M ohmusing an ideal dc voltage generator of 30 volt
a) Determine the voltage source E in Figure 7. b) Determine the resistances RL2 and RL3. c) Determine the resistances R1, R2 and R3.
In the box below, show that the time constant r is the time it takes the voltage across a charging capacitor to reach the value (1-1/e)Vmax
Referring to the circuit below, an ammeter is connected in series with the 16-V source while a voltmeter is tapped across point C and the negative terminal of the source. Determine the reading on each of the instruments. Ammeter reading: Voltmeter reading:
There is no load on the top terminal of the circuit element below for t < 0. At t = 0, a current of 125 e-2500t mA enters the top terminal. a) Determine the total charge that accumulates in the upper terminal; b) If the current is interrupted at t = 0.5 ms, what is the accumulated charge on the upper terminal.