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# phy301 Quiz

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### Replies to This Discussion

BC120402312 : Sania Aftab

Quiz Start Time: 05:28 PM
Time Left 66
sec(s)

Question # 1 of 10 ( Start time: 05:28:17 PM ) Total Marks: 1

One watt is equal to

Select correct option:

joule/sec
Meter/sec
Kg .m
joule/meter

BC120402312 : Sania Aftab

Quiz Start Time: 05:28 PM
Time Left 16
sec(s)

Question # 2 of 10 ( Start time: 05:29:44 PM ) Total Marks: 1

There is no current in a circuit when

Select correct option:

1)a switch is closed
2) a switch is open
3)there is no voltage

BC120402312 : Sania Aftab

Quiz Start Time: 05:28 PM
Time Left 14
sec(s)

Question # 3 of 10 ( Start time: 05:31:05 PM ) Total Marks: 1

The sum of series IR voltage drops......

Select correct option:

is less than the smallest voltage drop.

is equals the average value of all the voltage drops.
equals the applied voltage.
is usually more than the applied voltage.

BC120402312 : Sania Aftab

Quiz Start Time: 05:28 PM
Time Left 8
sec(s)

Question # 4 of 10 ( Start time: 05:32:36 PM ) Total Marks: 1

The node voltage method is based on

Select correct option:

Kirchhoff's current law
Ohm's law
The superposition theorem
Kirchhoff's voltage law

BC120402312 : Sania Aftab

Quiz Start Time: 05:28 PM
Time Left 46
sec(s)

Question # 5 of 10 ( Start time: 05:34:04 PM ) Total Marks: 1

Number of electrons in L shell of an atom are

Select correct option:

2
8
18
32

BC120402312 : Sania Aftab

Quiz Start Time: 05:28 PM
Time Left 38
sec(s)

Question # 6 of 10 ( Start time: 05:35:05 PM ) Total Marks: 1

An ideal voltage source is a circuit element where the voltage across it is independent of

Select correct option:

resistance
current
capacitance
inductance

BC120402312 : Sania Aftab

Quiz Start Time: 05:28 PM
Time Left 14
sec(s)

Question # 7 of 10 ( Start time: 05:36:12 PM ) Total Marks: 1

Ohm’s law states that voltage .............. with increase in current.

Select correct option:

decreases
increases
remains same
becomes zero

BC120402312 : Sania Aftab

Quiz Start Time: 05:28 PM
Time Left 72
sec(s)

Question # 9 of 10 ( Start time: 05:39:17 PM ) Total Marks: 1

Current divider is used when

Select correct option:

Two or more resistances are in series of a voltage source
Two or more resistances are in parallel of a voltage source
Two or more resistances are in series of a current source
Two or more resistances are in parallel of a current source

BC120402312 : Sania Aftab

Quiz Start Time: 05:28 PM
Time Left 9
sec(s)

Question # 10 of 10 ( Start time: 05:40:44 PM ) Total Marks: 1

Atomic mass number is

Select correct option:

No. of protons in atomic nucleus.
No. of neutrons in atomic nucleus.
No. of protons and neutrons in atomic nucleus.
No. of protons or electrons

PHY301 Quiz # 1 Dec 16, 2013

Question # 1 of 10 ( Start time: 09:21:36 PM )  Total Marks: 1
Resistance of an open circuit is
Select correct option:

Infinitely high
low
zero
moderate

Question # 2 of 10 ( Start time: 09:22:19 PM )  Total Marks: 1
Usually KVL OR KCL equation is not written for
Select correct option:

Ordinary node
reference node
super node
second node

Question # 3 of 10 ( Start time: 09:23:39 PM )  Total Marks: 1
Current is flow of
Select correct option:

Protons
Neutrons
Free electrons
Electron and neutron

Question # 4 of 10 ( Start time: 09:24:27 PM )  Total Marks: 1
If R1 and R2 resistances are connected in series and Vs is source voltage , then voltage drop across R1 can be calculated by

following formula
Select correct option:

V1=R1XVS/R1+R2
V1=R2XVS/R1+R2
V1=R1XR2/VS
V1=R1XVS/R1

Question # 5 of 10 ( Start time: 09:25:46 PM )  Total Marks: 1
If one of the resistor in a parallel resistor is removed, the total resistance
Select correct option:

decreases by the value of the removed resistor
remains the same
increases
doubles

Question # 6 of 10 ( Start time: 09:27:16 PM )  Total Marks: 1
If N denotes the total number of nodes, then number of nodal equations in nodal analysis will be
Select correct option:

Number of equations=N-1
Number of equations=N-1/2
Number of equations=N
Number of equations=N-2

Question # 7 of 10 ( Start time: 09:28:37 PM )  Total Marks: 1
The Unit of charge is
Select correct option:

ampere
volt
coulomb

Question # 8 of 10 ( Start time: 09:29:40 PM )  Total Marks: 1
Germanium and silicon are
Select correct option:

Conductors
Semiconductors
Insulators
Gases

Question # 9 of 10 ( Start time: 09:30:20 PM )  Total Marks: 1
Which of the following statement is not correct.
Select correct option:

An open circuit has zero current.
A short circuit has excessive current.
An open circuit and a short circuit have opposite effects on resistance and
A closed circuit do not allow flow of current

Question # 10 of 10 ( Start time: 09:31:41 PM )  Total Marks: 1
Which of the following statement(s) is correct?
Select correct option:

All the metals are good conductors.
Copper is not an insulator.
Insulators don't allow electricity to flow easily.
All of given statements

BR,

SONO

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