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.For a power transistor, if the base current IB is increased keeping VCE constant, then
Answer: a Explanation: Ic is directly proportional to Ic.
Answer: a
See lessExplanation: Ic is directly proportional to Ic.
In a power transistor, the IB vs VBE curve is
Answer: c Explanation: The B-E junction of a BJT resembles a p-n junction diode, hence the curve.
Answer: c
See lessExplanation: The B-E junction of a BJT resembles a p-n junction diode, hence the curve.
In a power transistor, the I B vs V BE curve is
Answer: c Explanation: The B-E junction of a BJT resembles a p-n junction diode, hence the curve.
Answer: c
Explanation: The B-E junction of a BJT resembles a p-n junction diode, hence the curve.
See lessIn a power transistor, _________ is the controlling parameter
Answer: c Explanation: The base current controls the collector current. Hence, the base current Ib is the controlling parameter.
Answer: c
Explanation: The base current controls the collector current. Hence, the base current Ib
is the controlling parameter.
See lessA power transistor is a _________ device
Answer: d Explanation: Power transistor is simply many BJT’s connected in series parallel on a single silicon chip for power applications. It is a three terminal, bipolar, current controlled device.
Answer: d
Explanation: Power transistor is simply many BJT’s connected in series parallel on a
single silicon chip for power applications. It is a three terminal, bipolar, current controlled
device.
See lessIn a Schottky diode, the silicon layer acts as a _____________
Answer: b Explanation: The metal acts as the anode and the semiconductor as a cathode.
Answer: b
Explanation: The metal acts as the anode and the semiconductor as a cathode.
See lessZener diodes allow a current to flow in the reverse direction, when the
Answer: a Explanation: Zener diode has voltage regulating property. When voltage reaches above a certain value (Zener voltage), current starts to flow in the reverse direction.
Answer: a
See lessExplanation: Zener diode has voltage regulating property. When voltage reaches above
a certain value (Zener voltage), current starts to flow in the reverse direction.
.In a certain power electronics application, it is required that the voltage at the load terminals is to be kept within a certain range of voltages only. Among the device listed below, which would be the most ideal choice for this application?
Answer: c Explanation: Zener diode is used as a voltage regulating device
Answer: c
See lessExplanation: Zener diode is used as a voltage regulating device
.In a Schottky diode, the silicon layer acts as a __
Answer: b Explanation: The metal acts as the anode and the semiconductor as a cathode.
Answer: b
See lessExplanation: The metal acts as the anode and the semiconductor as a cathode.
As compared to a p-n junction device of equal rating, the Schottky diode has
Answer: a Explanation: Low reverse voltage rating is the only drawback against a p-n junction diode.
Answer: a
See lessExplanation: Low reverse voltage rating is the only drawback against a p-n junction
diode.