POLYCET (2022) Mock Test Electric Current - 3
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మీకు ఏవైనా కీ లోపాలు దొరికితే లోపాలు మాకు తెలియజేయడానికి వెనుకాడవద్దు.
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Find out the correct statement ?
a. In parallel connection , the same potential difference gets applied across each element
b. In series connection , the same current flows through each element
c. Both are right
d. Both are wrong
Example for an insulator
b. Human body
c. Salt water
d. Pure water
The resistance of a resistor depends on
a. Cross sectional area
b. Nature of material
c. Length of the element
b. Semi conductor
In the formula I = Q/T ‘Q’ represents
a. Electric charge
b. Electric current
c. Time interval
The electric current is ………………….quantity
b. Scalar or Vector
If four wires each of resistance ‘R’ are joined to form a square , the resistance between its opposite vertices are
a. 2 R
b. 3 R
The disaster caused due to an overload can be avoided by using a / an………..
In house the properties of fuse wire is
b. Consists of thin wire of low melting point
c. To prevent damages due to over loading
d. Both To prevent damages due to over loading & Consists of thin wire of low melting point
A thick wire has a ………….resistance than a thin wire
c. Not equal