Advertisements
Advertisements
प्रश्न
उत्तर
A/c to Ohm's law,
R = `"V"/"I" = 20/2` = 10 Ω
APPEARS IN
संबंधित प्रश्न
In series combination which remains constant?
(a) Voltage
(b) Current
(c) Both current and voltage
(d) Both are variables
If the length of a wire is doubled by taking more of wire, what happens to its resistance?
How does the resistance of a wire change when:
its diameter is tripled?
V = IRTwo resistances X and Y are connected turn by turn : (i) in parallel, and (ii) series. In which case the resultant resistance will be less than either of the individual resistances?R = R1+ R2+ R3
In series combination of resistances ______.
State expression for Resistance connected in series.
State expression for Cells connected in parallel.
Two resistors of 4Ω and 6Ω are connected in parallel to a cell to draw 0.5 A current from the cell.
Draw a labelled circuit diagram showing the above arrangement.
Two wires of same material and same lengths have radii in the ratio of 2 : 3, Compare their resistances.
