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telo118 [61]
4 years ago
13

While buying a hot plate you notice the resistance of the hot plate is 25.0 . when connected to a 120. v source, how much curren

t will the hot plate carry? remember to identify all data (givens and unknowns), list equations?
Physics
2 answers:
Evgesh-ka [11]4 years ago
7 0

Answer:

<u>4.8 Ohms</u>

Explanation:

It is given that the resistance, R, is 25 ohms and that the voltage, V, is 120 V. We are trying to find the current, represented by I. The equation that we will use is V = IR. To solve this, plug in the given values and get 120 V = I * 25 ohms. Divide both sides by 25 ohms. This yields 120 V / 25 ohms which  finally simplifies to 4.8 A.

klemol [59]4 years ago
4 0
The basic relationship between voltage, resistance and current of an electrical device is given by Ohm's law:
V=IR
where
V is the voltage
I is the current
R is the resistance

The hot plate in our problem is connected to a source of V=120 V and it has a resistance of R=25.0 \Omega, therefore we can rearrange the previous equation to calculate the current through the device:
I= \frac{V}{R}= \frac{120 V}{25.0 \Omega}=4.8 A
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