Electronic Principles
Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA?

10.17 V
None of these
20 V
0.17 V
18.8 V

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Electronic Principles
When applying a square waveform to a capacitor, the circuit tends to:

None of these
peak the voltage and round off the current waveforms
peak the current and round off the voltage waveforms
round off both the voltage and current waveforms
peak both the voltage and current waveforms

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Electronic Principles
One henry of inductance is defined as:

the number of turns of wire in an inductor multiplied by the amount of current flowing through it
None of these
the amount of counter emf required to reduce a current to 1 A
the amount of inductance required to change the frequency of a current by 1 Hz
the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second

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Electronic Principles
Which one of the following statements best applies to a series RLC circuit?

The sum of the current is always less than the applied current
The voltage waveform for each component always has the same amplitude and phase as the applied voltage
All of these
None of these
The current waveform for each component always has the same amplitude and phase as the applied current

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Electronic Principles
Voltage is

The number of free electrons in an atom
The flow of charged particles through a material
None of these
The smallest electrically charged particle
Trie force that causes electrons to flow

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