Question:
Which one of the following is different from others?
Which one of the following is different from others?
Updated On: Jul 5, 2022
- Amplitude
- Frequency
- Velocity
- Wavelength
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The Correct Option is A
Solution and Explanation
As it is clear that velocity, wavelength and frequency are related with each other by,
$v=n \lambda$
where as amplitude is not related to any one of these. Hence, amplitude is different from remaining three options.
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Concepts Used:
Electric Power
Power is defined as the rate of doing work. Electric power is the rate at which electrical energy is transferred through an electric circuit, i.e. the rate of transfer of electricity. The symbol for Electric Power is ‘P’. SI unit of electric power is Watt.
Electric Power Formula
P = VI
From Ohm's Law, V = IR
Hence, Power can also be expressed as P = I2R