Question

What would the mystery charge labeled "?" have to be for this object to have a net electric charge of +3?

Answer 1

For the net charge to be +3,the mystery charge should be is -2 and net force is towards left.

• In first problem, overall charge should be -2 (as mentioned in question).

• So charge labelled with ? should be negative charge ( -ve).

• There will be net force on -1 charge towards +3 charge (left). For box (b)net force towards right

• For box c) net force towards right.
• It is often referred to as electric charge, electrical charge, or electrostatic charge, and denoted by the letter q, is a property of a unit of matter that indicates how many more or less electrons than protons it has.
• When retained in an electric or magnetic field, matter's basic physical feature known as electric charge causes it to experience a force.

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