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3 years ago

The current in a radio measures 12 amps. The resistance of the radio is 4 ohms. What is the voltage?

2 answers:

6 0

As per ohm's law we can say that voltage across the ends of a resistor is always product of the resistance with current flows through it.

So we can write

$V = i*R$

given that

i = 12 A

R = 4 ohm

now we can say from the above formula

$V = 4 * 12$

$V = 48 Volts$

alexgriva [62]3 years ago

5 0

Voltage = current * resistance
Voltage = 12 * 4
Voltage = 48V

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2 years ago

A 2.4 kg block is dropped onto a spring and platform of negligible mass. The block is released

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The speed of the block when the compression is 15 cm is 9.85 m/s.

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mass of the block, m = 2.4 kg
height of the block, h = 5 m
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Thus, the speed of the block when the compression is 15 cm is 9.85 m/s.

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