Electronics Essentials Quiz

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Test your electronics knowledge

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Janvi Karkar

India

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Electronics Essentials Quiz


Electronics Essentials QuizVersion en ligne Test your electronics knowledge par Janvi Karkar 1 What does Ohm's Law relate in circuits? a Capacitance is voltage divided by current (C = V ÷ I) b Voltage equals current times resistance (V = I × R) c Power equals voltage times current (P = V × I) d Resistance is the ratio of voltage to current (R = V ÷ I) 2 Which component stores electrical energy in an electric field? a Resistor b Inductor c Diode d Capacitor 3 What is the unit of electrical resistance? a Volt b Ohm c Siemens d Henry 4 Which semiconductor device allows current to flow mainly in one direction? a Capacitor b Inductor c Diode d Transistor 5 Which component limits current flow in a circuit? a Resistor b Transformer c Capacitor d Inductor 6 In a transistor amplifier, what is the role of the base? a Acts as the primary power supply b Stores energy as magnetic field c Controls current between collector and emitter d Injects charge into the collector 7 Which parameter indicates how a transistor gains or loses current with base current? a Current gain (beta) b Reactance c Capacitance d Impedance 8 What device converts AC to DC? a Rectifier b Oscillator c Transformer d Inverter 9 Which circuit element stores energy magnetically? a Inductor b Diode c Capacitor d Resistor 10 Which measure expresses a circuit's ability to store charge? a Capacitance b Inductance c Impedance d Conductance Feedback 1 Ohm's Law defines V = I × R, relating voltage, current, and resistance. 2 A capacitor stores energy in an electric field between plates. 3 The ohm (Ω) measures resistance. 4 A diode conducts primarily in one direction. diodes block reverse current. 5 Resistors are used to limit current and drop voltage. 6 The base current controls the larger current between collector and emitter. 7 Beta (β) defines how much collector current changes per base current. 8 A rectifier converts alternating current to direct current. 9 An inductor stores energy in a magnetic field when current changes. 10 Capacitance quantifies energy storage in an electric field.

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Electronics Essentials Quiz

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Créé par

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Electronics Essentials QuizVersion en ligne

par Janvi Karkar

What does Ohm's Law relate in circuits?

Which component stores electrical energy in an electric field?

What is the unit of electrical resistance?

Which semiconductor device allows current to flow mainly in one direction?

Which component limits current flow in a circuit?

In a transistor amplifier, what is the role of the base?

Which parameter indicates how a transistor gains or loses current with base current?

What device converts AC to DC?

Which circuit element stores energy magnetically?

Which measure expresses a circuit's ability to store charge?

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