Question

A toy car has a 1.5-A current, and its internal resistance is 2 ohms.  How much voltage does the car require?

.75 J
3 J
.75 V
3 V

Answer 1

Pretty sure it's 3v
But not 100%

Answer 2

Answer: Option (d) is the correct answer.

Step-by-step explanation:

According to ohm's law, the current passing through a conductor is proportional to the voltage over the resistance.

Mathematically,
`I = (V)/(R)`

where, I = current

V = voltage

R = resistance

It is given that toy car has current (I) of 1.5 ampere and internal resistance or resistance of 2 ohms.

Therefore, calculate the voltage of the car as follows.

`I = (V)/(R)`

V = I × R

= (1.5 ampere) × (2 ohms)

= 3.0 ampere ohms

= 3 volts

Thus, we can conclude that 3 volts of voltage is required by the toy car.