Current Electricity and Electrical InstrumentHard
Question
An electric current is passed through a circuit containing two wires of the same material, connected in parallel. If the length and radii of the wires are in the ratio of 4/3 and 2/3, then the ratio of the currents passing through the wire will be
Options
A.3
B.1/3
C.8/9
D.2.
Solution
[current divider rule since voltage is same in parallel]
∴

Create a free account to view solution
View Solution FreeTopic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
When a voltmeter is conected across the terminals of a cell, it measure 9 Volt. If a resistance of 1.5 Ω is connect...The total resistance between x and y in ohm is : -...If the ratio of the concentration of electrons that of holes in a semiconductor is and the ratio of currents is , then w...Two nonideal batteries are connected in parallel consider the following statements : (A) The equivalent emf is smaller t...A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. Thevalue (in ohm) of nec...