Question 1

If Current flow through R1 = 25mA, Find current flow through LED1

Accepted Answer

25 mA

Answer

52 mA

Answer

12 mA

Answer

70 mA

Question 2

Match the following:

Question 3

Which of the following statements best describes Ohm's Law ?

Accepted Answer

Voltage and current are directly proportional

Answer

Current and resistance are directly proportional

Answer

Resistance and current are inverselyproportional

Answer

Voltage and resistance are inversely proportional

Question 4

What type of circuit is an LC tank circuit?

Accepted Answer

Resonant

Answer

Amplifier

Answer

Voltage Divider

Answer

Rectifier

Question 5

Which type of waveform has a rapid rise time anda slow fall time?

Accepted Answer

Pulse wave

Answer

Square wave

Answer

Triangle wave

Answer

Sawtooth wave

Question 6

Rearrange the letters to spell out an importantproperty of a circuit component: "ITASCRNE."

Accepted Answer

Resistance

Answer

Inductance

Answer

Capacitance

Answer

Reactance

Question 7

What type of waveform does a sine waverepresent?

Accepted Answer

Alternating voltage

Answer

Rapidly changing voltage

Answer

Digital signal

Answer

Steady DC voltage

Question 8

Which type of oscillator can be easily tuned bythe user to generate different frequencies?

Accepted Answer

Voltage-Controlled Oscillator (VCO)

Answer

Wien Bridge Oscillator

Answer

Crystal Oscillator

Answer

Colpitts Oscillator

Question 9

Which of the following configurations uses the555 timer as a one-shot pulse generator?

Accepted Answer

Monostable mode

Answer

Astable mode

Answer

Bistable mode

Answer

Schmitt-trigger mode

Question 10

Predict Electrical Property from the given Image

Accepted Answer

Electricity

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