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WorksheetsParallel Circuit
Total questions: 20
Worksheet time: 11mins
A circuit in which current divided in separate path or branches is called ______________.
Series Circuit
Series Parallel Circuit
Parallel Circuit
all are correct
A common use of Parallel circuit is home wiring.
true
false
In the parallel circuit, total resistance is increase when more resistance are added.
true
false
The reciprocal of resistance is ___________________.
Conductance
Inductance
Capacitance
a & b are correct
In a Parallel circuit, the branch of lowest resistance has ___________ current.
more
less
__________ states that the sum of all individual currents in a parallel circuit equals to the total current of main line.
Ohm’s Law
Kirchhoff’s voltage law (KVL)
Kirchhoff’s current law (KCL)
b & c are correct
The formula of Total Parallel Resistance is _________________
Rtotal = R1 × R2 / R1 + R2
1 / Rtotal = 1 / R1 + 1 / R2
Rtotal = R1 + R2
a & b are correct
In the parallel circuit, the individual current in any branch is equal to the total current.
true
false
In a parallel circuit, the smallest branch resistance will always dissipate the most power.
true
false
If one branch of parallel circuit is open then all the other branches have same current.
true
false
When one branch of parallel circuit is short then current in other branches is _______________.
Zero
Low
Infinite
Maximum
Zero
Low
Infinite
How can we find the total resistance in a parallel circuit ?
Ohm’s Law
KCL
KVL
All are incorrect
The total power in a parallel circuit is the _____________ of individual powers.
Sum
Minus
Divide
Multiply
When parallel resistors are of three different values, which has the greatest power loss?
The smallest resistance
The largest resistance
.They have the same power loss.
.Voltage and resistance values are needed.
The voltage across any branch of a parallel circuit:
varies as the total current varies
is inversely proportional to total circuit resistance
.is equally applied to all branch conductances
.is dropped in proportion to each branch resistance
What happens to total resistance in a circuit with parallel resistors if one of them opens?
It increases.B.It halves.C.It remains the same.D.It decreases.
Components that connect in parallel form:
branches
.open circuits
short circuits
a voltage divider
Based on your answers to the above question, complete the following statement:
The overall or equivalent resistance of three resistors placed in parallel will be _____.
greater than the resistance of the biggest R value of the three.
less than the resistance of the smallest R value of the three.
somewhere in between the smallest R and the biggest R value of the three.
nonsense! No such generalization can be made. The results vary.
Find the resistance of the following resistors connecting in parallel circuit.
84
85
86
87
15 ohms
16 ohms
17 ohms
18 ohms
