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faraday’s two laws of electrolysis
The mass of a substance that is deposited or dissolved during electrolysis is directly proportional to the amount of electric charge that passes through the electrolyte. The mass of a substance deposited or dissolved during electrolysis is proportional to the chemical equivalent of the substance. ThRead more
Explain the principle of wheatstone bridge
A Wheatstone bridge is a type of circuit used to measure an unknown electrical resistance. The circuit consists of four resistors arranged in a diamond pattern, with a voltmeter connected across the middle of the diamond. When an unknown resistor is placed in one of the corners of the diamond, the oRead more
A Wheatstone bridge is a type of circuit used to measure an unknown electrical resistance. The circuit consists of four resistors arranged in a diamond pattern, with a voltmeter connected across the middle of the diamond. When an unknown resistor is placed in one of the corners of the diamond, the other three resistors can be adjusted until the voltmeter reads zero. This indicates that the circuit is in balance and that the unknown resistance can be calculated using Ohm’s law.
The formula for the balance condition of a Wheatstone bridge is given by:
V = IR
where V is the voltage across the unknown resistor, I is the current through the circuit, and R is the unknown resistance.
To calculate the unknown resistance, we can use the formula:
R = V / I
where V is the voltage across the unknown resistor, as measured by the voltmeter, and I is the current through the circuit, which can be determined using a current meter or calculated using the known values of the other resistors in the circuit.
See lesstypes of capacitor
Electrolytic capacitors are made up of two electrodes, one of which is coated with a thin layer of an electrolyte. They are typically used for high-voltage and high-capacity applications, such as in power supplies and filters. Ceramic capacitors are made from a ceramic material that is highly polariRead more