Round 1 Lesson

0 Slides • 5 Questions

Multiple Choice

1) What is the formula for calculating electrical power in a circuit?

P = V / I

P = I / V

P = V * I

P = V + I

Multiple Choice

2)Which of the following according to KVL must be zero?

Total current in a closed loop

Resistance in a closed loop

Power in a closed loop

Total voltage in a closed loop

Multiple Choice

3) In a practical application,battery voltage

Using a voltmeter or a multimeter to measure the battery voltage.

Shaking the battery to estimate the voltage.

Counting the number of cells in the battery to determine the voltage.

Using a thermometer to measure the battery voltage.

Multiple Choice

4) what does the CRT Oscilloscope display?

Temperature of a circuit

Pressure of a gas

Density of a liquid

Waveform of an electrical signal

Multiple Choice

5) The barrier potential across each silicon depletion layer is

1.2V

0.5V

0.7V

1.0V

1) What is the formula for calculating electrical power in a circuit?

P = V / I

P = I / V

P = V * I

P = V + I

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