Current Electricity
The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is

10 Ω, 20 Ω
5 Ω, 10 Ω
20 Ω, 30 Ω
10 Ω, 15 Ω

ANSWER DOWNLOAD EXAMIANS APP

Current Electricity
In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains

None of these
Length of heating element has no effect on heating if water
Length of heating element should be increased
Length of heating element should be decreased

ANSWER DOWNLOAD EXAMIANS APP

Current Electricity
In a series circuit with unequal resistances

The lowest resistance has the highest voltage drop
The lowest resistance has the highest current
The highest resistance has the highest voltage drop
The highest resistance has the most of the current through it

ANSWER DOWNLOAD EXAMIANS APP