The voltage across a resistor is found to be 1.5 V. It is also found that there is a charge of 2 Coulombs passing through the resistor within 10 seconds. What is the value of the resistor in ohms

R = 7.5 Ω

Explanation:

If the resistor is in the linear zone of operation, the resistance must obey Ohm's Law:

       

By definition, the current flowing through the resistor, is equal to the charge passing through the resistor, per unit time.So, we can write the following expression for the current I:

       

From (1) and (2) we can solve for R, as follows:

       

The value of the resistor is 7.5 Ω.

This is the answer: body 1 + engine 2