Why do relay coils have 50 to 150 ohms of resistance?

A. To increase current flow through the coil.
B. To create very strong magnetic fields in the relay.
C. To prevent the coil from shorting to ground.
D. To reduce current flow in the coil's control circuit.

Question

25-06-2024
Physics

Answered

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Why do relay coils have 50 to 150 ohms of resistance?

A. To increase current flow through the coil.
B. To create very strong magnetic fields in the relay.
C. To prevent the coil from shorting to ground.
D. To reduce current flow in the coil's control circuit.

Sagot :

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GinnyAnsweridn GinnyAnsweridn · Answer 1 · 2024-06-25T00:25:01-04:00

Final answer:

Relay coils have specific resistance values to optimize current flow, magnetic field strength, and circuit control.

Explanation:

Relay coils have 50 to 150 ohms of resistance to increase current flow through the coil. This resistance value is essential to generate the necessary magnetic fields for the relay to function effectively. Additionally, the resistance helps prevent the coil from shorting to ground and aids in controlling the current flow in the coil's control circuit.

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