Q1 · Difficulty 1/3
The number of waves passing a point per second is the:
- frequency
- amplitude
- wavelength
- period
Show answer & explanation
✓ Answer: A — frequency
Frequency is waves per second (Hz).
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The number of waves passing a point per second is the:
Like magnetic poles:
The unit of power is the:
Ohm's law is written as:
Weight is calculated using:
Electrical power is calculated by:
The neutral wire is coloured:
In a series circuit, the current is: