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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
4) answer 2 and 3


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
 farad  
 
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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