A voltage of 30 V is applied across a carbon resistor with first, second and third rings of blue, black and yellow colours respectively. Calculate the value of current in milliampere through the resistor.

A voltage of 30 V is applied across a carbon resistor with first, seco

1.	A voltage of 30 V is applied across a carbon resistor with first, second and third rings of blue, black and yellow colours respectively. Calculate the value of current in milliampere through the resistor.
Answer» Solution : As the coloured rings are of BLUE, black and YELLOW colours respectively, hence resistance of given carbon resistor will be `R = 60 XX 10^4 Omega` ` THEREFORE ` Current flowing through the resistor`I = V/R = (30V)/(60 xx 10^4 Omega)= 5 xx 10^(-5) A = 0.05 mA`

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A voltage of 30 V is applied across a carbon resistor with first, second and third rings of blue, black and yellow colours respectively. Calculate the value of current in milliampere through the resistor.

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