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WorksheetsRESISTORS IN SERIES AND PARALLEL
Total questions: 11
Worksheet time: 4mins
Calculate the total resistance between the points A and B
7 ohm
0 ohm
7.67 ohm
0.48 ohm
In a _________ circuit, the total resistance is greater than the largest resistance in the circuit
Series
Parallel
Either series or parallel
Neither series nor parallel
Keeping the potential difference constant, the resistance of the circuit is halved. The current will become
One-fourth
Four times
Half
Double
If in the given arrangement, the three resistors are to be replaced by a single resistor. What will be the value of this resistor?
4Ω
6Ω
9Ω
18Ω
Two electric bulbs have resistances in the ratio 1:2. If they are joined in series, the energy consumed in them is in the ratio
2:1
1:2
1:1
4:1
As the resistance of a circuit increases, the current will
increase
decrease
stay the same
none of the above
Parallel circuits are
a circuit that has only one path for current to travel
a circuit that does not allow electricity to travel through it
has more than one path for current to travel
magnets that cause electric current
Three resistors of 1 Ω, 2 Ω and 3 Ω are connected in parallel. The combined resistance of the three resistors should be
greater than 3 Ω
less than 1 Ω
equal to 2 Ω
between 1 Ω and 3 Ω
According to ……… Law, the potential difference across the ends of a resistor is directly proportional to the ……… through it, provided (a) its remains constant.
A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R’, then the ratio R/R’ is
1/25
1/5
5
25
It is preferable to connect bulbs in ......... in domestic circuits
Series
Parallel
Both series and parallel
neither series and parallel
