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Figure shows a battery B having emf res...

Figure shows a battery B having emf resistor having resistance R in a closed circuit.
(1) Show arrow for emf E of the battery B.
(2) Arrange points a,b,c in decreasing order of magnitude of current
(3) Arrange points a,b,c in decreasing order of electric potential .
(4) Arrane points a,b. In increasing order of electric potential energy of charge carriers.

Text Solution

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(1) From left to right
`:'` For emf of battery , the arrow head points from `-ve` terminal of battery towards `+ve` lterminal.
(2) `l _(a) = l_(b) = l_( c )`
(3) `V_(b) ft V_(c ) = V_(a)`
`:' `Moving in the direction of current through a resistor , the potential decreases.
(4) `V_(a) = V_( c ) lt V_( b)`
`:' ` Electric potential at a point in circuit is equal to the electric potential energy per unit charge
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