Page 263 - Basic Electrical Engineering
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b. 3 R
c.
d.
11. A resistance of value R is connected across a voltage, V. What value of resistance should be
connected in parallel with this resistance so that current drawn from the supply is doubled?
a. R
b. 2R
c.
d.
12. A current of 10 A gets divided into two parallel paths having resistance of 2 Ω and 3 Ω,
respectively. The current through the 2 Ω and 3 Ω resistance will be respectively
a. 4 A and 6 A
b. 6 A and 4 A
c. 5 A and 5 A
d. 2 A and 8 A.
13. 13. Eight, Ω resistances are connected in parallel across terminals A and B. What is the
equivalent resistance across AB?
a. 64 Ω
b. 32 Ω
c. 1 Ω
d. 4 Ω.
14. Two unequal resistances when connected in series gives a value of 10 Ω and when connected
in parallel gives a value of 2.4 Ω. The value of the resistances are
a. 4 Ω and 6 Ω
b. 1 Ω and 9 Ω
c. 8 Ω and 2 Ω
d. 7 Ω and 3 Ω.
15. A wire of a particular length and cross-sectional area, a is elongated to twice its length and
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