Advertisements
Advertisements
Question
Give the law of combination of resistances in series.
Solution
APPEARS IN
RELATED QUESTIONS
Find the expression for resistors connected in series.
If the length of a wire is doubled by taking more of wire, what happens to its resistance?
If five resistances, each of value 0.2 ohm, are connected in series, what will be the resultant resistance?
A given metallic wire of resistance R is doubled on itself. What will be its new resistance?
Name the material of wire used for making standard resistances. Give a reason.
What material is used for making wire to prepare heating coils? Give a reason.
Six resistances are connected together as shown in the figure. Calculate the equivalent resistance between points A and B.
In the circuit shown below, calculate the equivalent resistance between the points (i) A and B, (ii) C and D.
Two wires of same material and same lengths have radii in the ratio of 2 : 3, Compare their resistances.