Electronic Principles
The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values?

0.93 V
0.041666666666667
9.3 W
None of these
0.93 W

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Electronic Principles
Which one of the following is a direct statement of Ohm's law?

None of these
The total resistance of a parallel circuit is less than the value of the smallest resistance
The algebraic sum of voltages in a loop is equal to zero
The algebraic sum of currents entering and leaving a point is equal to zero
The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it

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Electronic Principles
In a pure inductor:

ac current lags the voltage by 90 degree
None of these
ac current leads the voltage by 90 degree
ac current is converted to dc voltage
ac current and voltage are exactly in phase

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