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almond37 [142]
3 years ago
15

Ohm's Law is given by the equation V = IR where V is voltage in watts, I is current in amperes, and R is resistance in Ohms. A c

ertain vacuum cleaner needs 8 amperes. Which equation can be used to determine the voltage for a given amount of resistance?
1. V= 8/R
2. V=0.8R
3. V=8R
V=R/8
Mathematics
2 answers:
Lana71 [14]3 years ago
4 0
3 ------------------------------------------------------------------------------------------------
svetoff [14.1K]3 years ago
3 0

Answer:

V = 8 R  

Step-by-step explanation:

The Ohm's law gives the relationship between the voltage, current and the resistance of the circuit. The mathematical relation is given by :

V = I R........(1)

I is current in amperes

R is resistance in ohms

V is voltage in volts

Current needed by the vacuum cleaner, I = 8 A

Put the value of I in equation (1) as :

V=8\times R

or

V = 8 R

So, the correct equation that is used to determine the voltage for a given amount of resistance is (c).

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