A wire of resistance $5 \,ohm$ is bent in the form of a closed circle. What is the resistance between two points at the ends of any diameter of the circle?
A wire of resistance $5 \,ohm$ is bent in the form of a closed circle. What is the resistance between two points at the ends of any diameter of the circle?
Similar Questions
$(a)$ State $Ohm's$ law. Express it mathematically.
$(b)$ Write symbols used in electric circuits to represent
$(i)$ variable resistance.
$(ii)$ voltmeter.
$(c)$ An electric bulb is rated $220, V$ and $100\, W$ When it is operated on $110\, V ,$ what will be the power consumed ?
$(a)$ State $Ohm's$ law. Express it mathematically.
$(b)$ Write symbols used in electric circuits to represent
$(i)$ variable resistance.
$(ii)$ voltmeter.
$(c)$ An electric bulb is rated $220, V$ and $100\, W$ When it is operated on $110\, V ,$ what will be the power consumed ?
$(a)$ Calculate the resistance of the wire using the graph.
$(b)$ How many $176 \,\Omega$ resistors in parallel are required to carry $5\, A$ on a $220\, V$ line ?
$(c)$ Define electric power. Derive relation between power, potential difference and resistance.
$(a)$ Calculate the resistance of the wire using the graph.
$(b)$ How many $176 \,\Omega$ resistors in parallel are required to carry $5\, A$ on a $220\, V$ line ?
$(c)$ Define electric power. Derive relation between power, potential difference and resistance.
A metal has a very large number of free electrons and a non$-$metal very less number of free electrons.
A metal has a very large number of free electrons and a non$-$metal very less number of free electrons.
The flow of charge through a conducting wire connected to a cell is the result of chemical reaction inside the cell.
The flow of charge through a conducting wire connected to a cell is the result of chemical reaction inside the cell.
The formula for an electric current is $.....$
The formula for an electric current is $.....$