What is advantage of using LED over bulb in testing the electrical conductivity of liquids? Choose the wrong option.

LED requires very less current to glow

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Bulb requires less current to glow

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Electricity produced in the electrolyte is very less

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Both A and C

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Solution

The correct option is A
LED requires very less current to glow

LED is used in place of bulb because LED glows even when weak electric current flows in the circuit.

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What is advantage of using LED over bulb in testing the electrical conductivity of liquids? Choose the wrong option.

The correct option is A LED requires very less current to glow LED is used in place of bulb because LED glows even when weak electric current flows in the circuit.

The correct option is A
LED requires very less current to glow

LED is used in place of bulb because LED glows even when weak electric current flows in the circuit.