ELECTRIC CURRENT FORMULA

Electric current is nothing but the rate of change of electric charge through a circuit. This current is related to the voltage and resistance of a circuit. It can be represented by I and the SI unit is amperes. Electric current relates the electric charge and the time. According to Ohm’s law, the electric current formula will be,
Electric Current Formula

Where,
V is the voltage
R is the resistance

ELECTRIC CURRENT PROBLEMS

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Let us discuss the problems related to electric current.

SOLVED EXAMPLES

Question 1: Calculate the current through the circuit in which the voltage and resistance be 15V and 3Ω respectively?
Solution:

The given parameters are,
V = 15V and R = 3Ω
The equation for current using Ohm’s law is,
I = VRVRI = 153153 = 5A

 

Question 2: The voltage and resistance of a circuit is given as 10V and 4Ω respectively. Calculate the current through the circuit?
Solution:

The given parameters are,
V = 10V and R = 4Ω
The equation for current using Ohm’s law is,
I = VRVRI = 104104 = 2.5A

 

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