An active device is one which ___________(a) Mechanically controls electron flow(b) Electrically controls electron flow(c) Pneumatically controls electron flow(d) Automatically controls electron flowThis question was posed to me by my school principal while I was bunking the class.This interesting question is from Active and Passive Devices topic in portion Diode Circuit of Analog Circuits

An active device is one which ___________(a) Mechanically controls ele

1.	An active device is one which ___________(a) Mechanically controls electron flow(b) Electrically controls electron flow(c) Pneumatically controls electron flow(d) Automatically controls electron flowThis question was posed to me by my school principal while I was bunking the class.This interesting question is from Active and Passive Devices topic in portion Diode Circuit of Analog Circuits
Answer» The correct CHOICE is (b) Electrically controls electron flow Easy EXPLANATION: An active DEVICE is any type of circuit COMPONENT with the ability to electrically CONTROL electron flow (electricity controlling electricity). For a circuit to be properly called electronic, it must contain at least one active device.

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