Q.16 Consider a voltage sources, if we move from positive terminal to negative terminal there is a ___
A. voltage rise
B. voltage drop
C. remains same
D. cannot defined
Ans.: B
Q.17 A voltage rise and voltage drop is indicates the
A. positive voltage and negative voltage
B. positive voltage and positive voltage
C. Both indicates negative voltage
D. negative voltage and positive voltage
Ans.: A
Q.18 Current always flow from
A. lower to higher potential
B. higher to lower potential
C. same potential
D. any of the above
Ans.: B
Q.19 In a movement along the flow of current gives ____ and movement opposite to the flow of current gives ___
A. negative voltage; positive voltage
B. positive voltage; positive voltage
C. negative voltage; negative voltage
D. positive voltage; negative voltage
Ans.: A
Q.20 what is the sing for the voltage to the terminal of the element where the current enters and the current leaves?
A. positive; positive
B. positive; negative
C. negative; positive
D. none of the above
Ans.: B
Q.21 Kirchhoff’s voltage law is states that
A. The algebraic sum of all voltages around a closed path at any instant is zero
B. The sum of all voltages around a closed path at any instant is zero
B. The algebraic sum of all voltages in a branch at any instant is zero
D. The algebraic sum of all voltages in a network or circuit at any instant is zero
Ans.: A
Q.22 An __ is the one in which the sign of the quantity is taken into account.
A. sum
B. subtraction
C. algebraic sum
D. division or multiply
Ans.: C
Q.23 which of the following is/are true of writing KVL equations?
A. it is not necessary to have a physical closed path connection of elements
B. it should be a closed path
C. it may not be closed path
D. all of the above
Ans.: D
Q.24 KCL is state that
A. At any instant of time, the algebraic cum of currents at a node is zero
B. at any instant of time, the sum of all the currents flowing into a node is equal to the sum of all the currents leaving the same node
C. At any instant of time, the cum of currents at a node is zero
D. Both A and B
Ans.: D
Q.25 If the currents entering a node are assigned ___ and the current leaving the node will be assigned___
A. negative; positive
B. positive; negative
C. Both the sign are in positive
D. Both the sign are in negative
Ans.: B
Q.26 which of the following law is an alternating method of stating the law of conservation of energy?
A. KVL
B. KCL
C. lens’s law
D. Ohm’s law
Ans.: A
Q.27 Which of the law is applies to currents at a node regardless of the elements in the circuit and how the current come about?
A. KVL
B. KCL
C. Ampere’s circuital law
D. Joule’s law
Ans.: B
Q.28 KCL is based on the ______at a node
A. conservation of energy
B. conservation of charge
C. conservation of energy sources
D. conservation of power
Ans.: B
Q.29 “The total sum of all the branch currents in a parallel circuit must be exactly equal to the source current.” This statement is given by
A. KVL
B. Ampere’s law
C. KCL
D. Gauss law
Ans.: C
Q.30 KVL is generally used to calculate the ____in a circuit.
A. unknown voltage
B. unknown current
C. unknown power
D. unknown energy loss
Ans.: B
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