The equivalent resistance between points $A$ and $B$ in the following electric circuit is $.....$
The equivalent resistance between points $A$ and $B$ in the following electric circuit is $.....$
- A
$2.5\, \Omega$
- B
$5\, \Omega$
- C
$12.5\, \Omega$
- D
$20\,\Omega$
Similar Questions
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$(a)$ Three resistors $R_{1}, R_{2}$ and $R_{3}$ are connected in parallel and the combination is connected to battery, ammeter, voltmeter and key. Draw suitable circuit diagram. Obtain an expression for the effective resistance of the combination of resistors in parallel.
$(b)$ Why are electric bulbs filled with chemically inactive nitrogen or argon ?
$(c)$ What is meant by the statement that the rating of a fuse in a circuit is $5 A$ ?
$(a)$ Three resistors $R_{1}, R_{2}$ and $R_{3}$ are connected in parallel and the combination is connected to battery, ammeter, voltmeter and key. Draw suitable circuit diagram. Obtain an expression for the effective resistance of the combination of resistors in parallel.
$(b)$ Why are electric bulbs filled with chemically inactive nitrogen or argon ?
$(c)$ What is meant by the statement that the rating of a fuse in a circuit is $5 A$ ?