1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
In the circuit, the galvanometer $$G$$ shows zero deflection. If the batteries $$A$$ and $$B$$ have negligible internal resistance, the value of the resistor $$R$$ will be - AIEEE 2005 Physics - Current Electricity Question 312 English
A
$$100\Omega $$
B
$$200\Omega $$
C
$$1000\Omega $$
D
$$500\Omega $$
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
A heater coil is cut into two equal parts and only one part is now used in the heater. The heat generated will now be
A
four times
B
doubled
C
halved
D
one fourth
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
The resistance of the series combination of two resistances is $$S.$$ When they are jointed in parallel the total resistance is $$P.$$ If $$S = nP$$ then the Minimum possible value of $$n$$ is
A
$$2$$
B
$$3$$
C
$$4$$
D
$$1$$
4
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
An electric current is passed through a circuit containing two wires of the same material, connected in parallel. If the lengths and radii are in the ratio of $${4 \over 3}$$ and $${2 \over 3}$$, then the ratio of the current passing through the wires will be
A
$$8/9$$
B
$$1/3$$
C
$$3$$
D
$$2$$
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