The Colour coding on a carbon resistor is shown in the given figure. The resistance value of the given resistor is :
A
(5700 $$\pm$$ 285) $$\Omega$$
B
(7500 $$\pm$$ 750) $$\Omega$$
C
(5700 $$\pm$$ 375) $$\Omega$$
D
(7500 $$\pm$$ 375) $$\Omega$$
Explanation
R = 75 $$\times$$ 102 $$\pm$$ 5% of 7500
R = (7500 $$\pm$$ 375) $$\Omega$$
2
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MCQ (Single Correct Answer)
Three capacitors C1 = 2$$\mu$$F, C2 = 6$$\mu$$F and C3 = 12$$\mu$$F are connected as shown in figure. Find the ratio of the charges on capacitors C1, C2 and C3 respectively :
Five identical cells each of internal resistance 1$$\Omega$$ and emf 5V are connected in series and in parallel with an external resistance 'R'. For what value of 'R', current in series and parallel combination will remain the same?