600 Final Review Neiep
-20 mv - ANS - Refer to figure 3. For the inverting op amp shown, what is the output
voltage?
0.3 - ANS - The voltage required to cause conduction across the junction in a
germanium diode is?
0.3 seconds - ANS - What is the time constant for a circuit with 150 K ohms and 2
microfarad capacitor? (TC = R x C)
1.5 seconds - ANS - How long will it take for this capacitor to be considered fully
charged?
1000 0011 - ANS - What is the binary equivalent of 131 10?
12.5 A - ANS - A string of temporary lighting has fifteen 100 watt bulbs. A 15 amp
breaker is the maximum size that can be used with the 14 gauge wire used in this 120
volt circuit. What is the current?
1507 ohms - ANS - A brake coil has an inductance of 4 henries. If the coil was placed
into a circuit with an operating frequency of 60hz the coil would have a resistance of:
169.7 VAC - ANS - What is the peak value of an AC voltage whose RMS value is 120
volts?
190 VDC - ANS - What is the correct average output voltage for a full-wave bridge
rectified using silicon diodes with a peak input supply voltage of 300 VAC
2-50uf/300VDC capacitors in parallel - ANS - What combination of capacitors could be
used to replace a 100uf/250 VDC capacitor?
2.4 A - ANS - The secondary load current of a 2300 to 120 volt transformer is 46
amperes. What is the current primary? (E = I x R)
-20 mv - ANS - Refer to figure 3. For the inverting op amp shown, what is the output
voltage?
0.3 - ANS - The voltage required to cause conduction across the junction in a
germanium diode is?
0.3 seconds - ANS - What is the time constant for a circuit with 150 K ohms and 2
microfarad capacitor? (TC = R x C)
1.5 seconds - ANS - How long will it take for this capacitor to be considered fully
charged?
1000 0011 - ANS - What is the binary equivalent of 131 10?
12.5 A - ANS - A string of temporary lighting has fifteen 100 watt bulbs. A 15 amp
breaker is the maximum size that can be used with the 14 gauge wire used in this 120
volt circuit. What is the current?
1507 ohms - ANS - A brake coil has an inductance of 4 henries. If the coil was placed
into a circuit with an operating frequency of 60hz the coil would have a resistance of:
169.7 VAC - ANS - What is the peak value of an AC voltage whose RMS value is 120
volts?
190 VDC - ANS - What is the correct average output voltage for a full-wave bridge
rectified using silicon diodes with a peak input supply voltage of 300 VAC
2-50uf/300VDC capacitors in parallel - ANS - What combination of capacitors could be
used to replace a 100uf/250 VDC capacitor?
2.4 A - ANS - The secondary load current of a 2300 to 120 volt transformer is 46
amperes. What is the current primary? (E = I x R)
