For a transistor to act as a switch, it must be operated in (a) Active region. (b) Saturation state only. (c) Cut-off state only. (d) Saturation and cut-off state.

Answer: (d). As a switch the transistor must be either fully OFF or fully ON. OFF = cut-off state ( IC ≈ 0), ON = saturation state ( VCE ≈ 0). The active region is for amplifiers. So the answer is (d) Saturation and cut-off state.

For a transistor to act as a switch, it must be operated in | JEE Main 2022 (27 Jun, Shift 2)

Q52JEE Main 2022 · 27 JUN · SHIFT 2Easy

Junction Transistor

For a transistor to act as a switch, it must be operated in

Show answer and solution

Answer: (d)

As a switch the transistor must be either fully OFF or fully ON.
OFF = cut-off state ( $I_C \approx 0$ ), ON = saturation state ( $V_{CE} \approx 0$ ). The active region is for amplifiers.
So the answer is (d) Saturation and cut-off state.

Report a mistake

More questions on Junction Transistor

The positive feedback is required by an amplifier to act an oscillator. The feedback here…JEE Main 2022 (26 Jun, Shift 2)
Given below are two statements: One is labelled as Assertion A and the other is labelled…JEE Main 2022 (28 Jun, Shift 1)
The collector current in a common base amplifier using n-p-n transistor is 24 mA. If 80%…NEET 2022 (Phase 2)
An n.p.n transistor with current gain β = 100 in common emitter configuration is shown in…JEE Main 2022 (28 Jul, Shift 2)
A transistor is used in an amplifier circuit in common emitter mode. If the base current…JEE Main 2022 (29 Jun, Shift 1)
A transistor is used in common-emitter mode in an amplifier circuit. When a signal of 10…JEE Main 2022 (24 Jun, Shift 1)
The typical transfer characteristics of a transistor in CE configuration is shown in…JEE Main 2022 (26 Jul, Shift 2)
In an experiment of CE configuration of n-p-n transistor, the transfer characteristics…JEE Main 2022 (25 Jun, Shift 2)

Junction Transistor question from JEE Main 2022 (27 Jun, Shift 2)

More questions on Junction Transistor