Question

the device which can detect current at very low voltages in an electric circuit is options are MCB LED lead and bulb

Answer 1

The device which can detect current at very low voltages in an electric circuit is

Miniature Circuit Breaker (MCB).

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Answer 2

• The device which can detect current at very low voltages in an electric circuit is an LED. An LED (Light Emitting Diode) is a semiconductor device that emits light when current flows through it. LEDs are very sensitive and can detect very small amounts of current at low voltages, making them useful for detecting and indicating the presence of current in an electric circuit.

• MCBs (Miniature Circuit Breakers) are protective devices that are designed to protect electrical circuits from overcurrents and short circuits. They do not have the capability to detect low levels of current in a circuit.

• Leads and bulbs are passive components and cannot detect current on their own. They can be used as indicators when a current is present in a circuit, but they do not have the capability to detect the current themselves.
  
  
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