Physics · Interfacing and Electronics
An electromagnetic relay is connected to a microcontroller I/O pin through a transistor driver circuit. Why is the transistor driver required?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To store electric charge
- 2To reduce circuit resistance
- 3To provide electrical isolation & current amplification✓
- 4To increase operating frequency
Correct answer
To provide electrical isolation & current amplification
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