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Q4. A resistor of value _____ is commonly used to protect the LED.Answer: 220%u03a9 Match the FollowingColumn A (Arduino Term) Column B (Meaning)1. pinMode() a. Turns pin ON or OFF2. digitalWrite() b. Defines how a pin will be used3. delay() c. Runs only once at startup4. setup() d. Creates time gap in programAnswer Key:1 %u2192 b2 %u2192 a3 %u2192 d4 %u2192 c
