A resistance of 30 ohm is connected across 240v supply. If a resistanc – McqOptions

MCQOPTIONS

1.	A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is
A.	15ohm
B.	10ohm
C.	5ohm
D.	30ohm
Answer» B. 10ohm

Discussion

No Comment Found

Related MCQs

The property of fluid by virtue of which it offers resistance to shear is called
Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them
<p>"The total electric flux through any closed surface surrounding charges is equal to the amount oflcharge enclosed".The above statement is associated with</p>
<p>The dissipation factor of a good dielectric is of the order of</p>
<p>If A.C. voltage is applied to capacitive circuit, the alternating current can flow in the circuit because</p>
<p>Two plates of a parallel capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the</p>
<p>Which of the following is not a vector ?</p>
<p>The capacitance of a capacitor is not affected by</p>
<p>A dielectric material must be</p>
<p>If three 10 uF capacitors are connected in parallel, the net cararitance is</p>