(Diagram Questions)
/. An open is found in the series connected load of the transistor amplifier circuit as
shown. If a voltmeter were connected from the open side of the resistor ( top point of the
open as shown ) to ground , what will be the reading?
A. 0 volts
B. -12 vdc
C. Half of +Vcc
D. None of the above
/.What is the voltage drop across the 2000 ohm resistor as shown in the amplifier?
A. 7.5 vdc
B. 8.0 vdc
C. 9.0 vdc
D. None of the above
/.If there is NO open in the circuit, what is the voltage across the 3000 ohm emitter
resistor as shown above?
A. 7.4 vdc
B. 6.0 vdc
C. 8.0 vdc
D. None of the above
/. What is the current through the resistor in the schematic above?
A. .2 amps
B. 2 amps
C. 5 amps
D. 50 amps
/. In the circuit above, what is the power dissipated in the resistor?
A. 6 watts
B. 12 watts
C. 2 watts
D. 24 watts
/.If the current drain from the battery is 4 mA, what resistance is the rheostat in the
drawing?
, A. 1.0 kohms
B. 2.5 kohms
C. 5.0 kohms
D. 10 kohms
/.In the circuit above how much current is flowing in R2?
A. 1 amp
B. 2 amps
C. 10 amps
D. 100 amps
/.Which waveform above is a sine wave?
A. D
B. C
C. B
D. A
/.The peak to peak voltage of the above waveform is:
A. 7 V
B. 14 V
C. 4.95 V
D. .707 V
/.The circuit above will require how many RC time constants to charge the capacitor to
63% of the applied voltage?
A. 1
B. 2
C. 63
D. 100
/. What frequency will the parallel LC circuit below be resonant to?
A. 100 MHz
B. 159 Hz
C. 6.28 MHz
D. 1590 KHz
/.A. Xc = 1 ÷ 2 π FC - Answer-Which formula is used to calculate reactance in the
following schematic?
A. Xc = 1 ÷ 2 π FC