A light bulb is connected to two batteries. Each battery has 1.5V. If a student measures the current flowing through the light bulb to be 2 A, What is the resistance of the light bulb?

R = 0.75 ohms

Explanation:

Given that,

The voltage of each battery, V = 1.5 V

Current through the light bulb, I = 2 A

We need to find the resistance of the light bulb. We know that,

Ohm's law, V = IR

Where

R is the resistance of the light bulb

Put all the values,

So, the resistance of the light bulb is equal to 0.75 ohms.

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the order for strong to weak forces such as

strong nuclear force → electromegnetic force → weak nuclear force → gravitational force

the fundamental forces are those forces that act between to objects or element to make interactions. there are four types of fundamental forces such as strong and weak nuclear forces (due to protons and electrons), electromagnetic force (due to the motion of electrons) and gravitational force (due to orbital movement of the planet). if these forces are arranged on the basis of their maximum strength then the order is

strong nuclear force → electromegnetic force → weak nuclear force → gravitational force