Results 1 to 11 of 11

Thread: physics important mcqs

  1. #1
    kashibhayya is offline Senior Member+
    Last Online
    29th September 2016 @ 10:26 PM
    Join Date
    10 Jul 2011
    Age
    29
    Gender
    Male
    Posts
    509
    Threads
    60
    Credits
    6
    Thanked
    19

    Default physics important mcqs

    Multiple Choice Questions of Electric
    Current and Ohm's Law (1-15):

    1.Resistivity of a wire depends on :
    (A) length
    (B) material
    (C) cross section area
    (D) none of the above.

    2. When n resistances each of value r are connected in parallel, then
    resultant resistance is x. When these n
    resistances are connected in series,
    total resistance is:
    (A) nx
    (B) rnx
    (C) x / n
    (D) n2 x

    3. Resistance of a wire is r ohms. The wire is stretched to double its length,
    then its resistance in ohms is:
    (A) r / 2
    (B) 4 r
    (C) 2 r
    (D) r / 4.

    4. Kirchhoff's second law is based on law of conservation of:
    (A) charge
    (B) energy
    (C) momentum
    (D) mass.

    5. The diameter of the nucleus of an atom is of the order of :
    (A) 10 -31 m
    (B) 10 -25 m
    (C) 10 -21 m
    (D) 10 -14m.

    6. The mass of proton is roughly how many times the mass of an electron?
    (A) 184,000
    (B) 184,00
    (C) 1840
    (D)184.

    7. The charge on an electron is known to be
    1.6 x 10-19 coulomb. In a circuit
    the current flowing is 1 A. How many
    electrons will be flowing through the
    circuit in a second?
    (A) 1.6 x 1019
    (B) 1.6 x 10-19
    (C) 0.625 x 1019
    (D) 0.625 x 1011

    8. Two bulbs marked 200 watt-250 volts and 100 watt-250 volts are
    joined in series to 250 volts supply.
    Power consumed in circuit is:
    (A) 33 watt
    (B) 67 watt
    (C) 100 watt
    (D) 300 watt.

    9. Ampere second could be the unit of:
    (A) power
    (B) conductance
    (C) energy
    (D) charge.

    10. Which of the following is not the same as watt?
    (A) joule/sec
    (B) amperes/volt
    (C) amperes x volts
    (D) ( amperes )2 x ohm.

    11. One kilowatt hour of electrical energy is the same as:
    (A) 36 x 105 watts
    (B) 36 x 10s ergs
    (C) 36 x 105 joules
    (D) 36 x 105 B.T.U.

    12. An electric current of 5 A is same as:
    (A) 5 J / C
    (B) 5 V / C
    (C) 5 C / sec
    (D) 5 w / sec.

    13. An electron of mass m kg and having a charge of e coulombs travels
    from rest through a potential
    difference of V volts. Its kinetic energy
    will be: (A) eV Joules
    (B) meV Joules
    (C)me / V Joules
    (D)V / me Joules.

    14. The value of the following is given by 100 (kilo ampere ) x ( micro
    ampere ) 100 milli ampere * 10
    ampere:
    (A) 0.001 A
    (B) 0.1 A
    (C) 1 A
    (D) 10A.

    15. A circuit contains two un-equal resistances in parallel:
    (A) current is same in both
    (B). large current flows in larger
    resistor
    (C). potential difference across each is
    same
    (D). smaller resistance has smaller
    conductance.

  2. #2
    okzshoaib's Avatar
    okzshoaib is offline Advance Member
    Last Online
    20th November 2019 @ 12:01 PM
    Join Date
    02 Nov 2013
    Location
    hangu pakistan
    Age
    26
    Gender
    Male
    Posts
    715
    Threads
    55
    Credits
    109
    Thanked
    62

    Default

    nice
    Love is Life

  3. #3
    Rifat55's Avatar
    Rifat55 is offline Senior Member+
    Last Online
    16th February 2020 @ 07:12 AM
    Join Date
    10 Oct 2014
    Age
    28
    Gender
    Male
    Posts
    203
    Threads
    15
    Credits
    -1,341
    Thanked
    4

    Default

    Nice

  4. #4
    Farhad21's Avatar
    Farhad21 is offline Member
    Last Online
    15th July 2017 @ 12:31 PM
    Join Date
    17 Jan 2015
    Location
    Bannu(Kpk)
    Age
    27
    Gender
    Male
    Posts
    139
    Threads
    59
    Thanked
    17

    Default

    Pl9 mj kpk boards level k 2ndyear k physics notes chahiye farhadbadshah2***********

  5. #5
    Join Date
    26 May 2015
    Gender
    Male
    Posts
    22
    Threads
    6
    Thanked: 1

    Default

    zabardast

  6. #6
    javeria.a is offline Senior Member+
    Last Online
    4th October 2016 @ 11:08 PM
    Join Date
    03 Sep 2016
    Age
    28
    Gender
    Male
    Posts
    152
    Threads
    3
    Credits
    1,666
    Thanked
    0

    Default

    It's cool......Love physics MCQs....
    Thanks and keep sharing
    We ask Allah alone for help

  7. #7
    Zafeer Ansari is offline Junior Member
    Last Online
    25th October 2018 @ 06:08 PM
    Join Date
    09 Sep 2016
    Age
    30
    Gender
    Male
    Posts
    2
    Threads
    1
    Credits
    18
    Thanked
    0

    Default

    bhai ye waki me ate hn kia

  8. #8
    sibghat ulah's Avatar
    sibghat ulah is offline Senior Member+
    Last Online
    4th April 2017 @ 12:30 PM
    Join Date
    14 Apr 2014
    Location
    Islam/abbotabad
    Age
    25
    Gender
    Male
    Posts
    79
    Threads
    3
    Credits
    61
    Thanked
    4

    Default

    Nic

    Sent from my Y635-L01 using Tapatalk

  9. #9
    Zain_Saab's Avatar
    Zain_Saab is offline Junior Member
    Last Online
    14th December 2017 @ 10:06 AM
    Join Date
    19 Feb 2017
    Age
    25
    Gender
    Male
    Posts
    11
    Threads
    4
    Credits
    89
    Thanked
    0

    Default

    Loving post Thanks For Sharing

  10. #10
    Ansar Birmani is offline Senior Member+
    Last Online
    30th July 2023 @ 05:21 PM
    Join Date
    12 Jan 2017
    Age
    25
    Gender
    Male
    Posts
    31
    Threads
    0
    Credits
    250
    Thanked: 1

    Default

    nice

  11. #11
    ikram62's Avatar
    ikram62 is offline Anti-spam
    Last Online
    27th February 2024 @ 03:55 PM
    Join Date
    14 Feb 2010
    Location
    Mardan
    Age
    49
    Gender
    Male
    Posts
    9,234
    Threads
    1149
    Credits
    6,059
    Thanked
    801

    Default

    nice info......................

Similar Threads

  1. Physics MCQs with Ans Mentioned Each & Every CH#
    By Farhankhan82 in forum All Others
    Replies: 16
    Last Post: 19th November 2016, 05:47 PM
  2. Physics 9 (Important Formulae)
    By Emad Hassan in forum 9th
    Replies: 13
    Last Post: 25th January 2014, 08:09 PM
  3. help about 2nd year F.s.c physics mcq and important numericals
    By FAHADGUNJIAL in forum Educational Help
    Replies: 3
    Last Post: 5th June 2013, 11:21 AM
  4. CLASS 9th PHYSICS NOTES 2011
    By fight3rz in forum 9th
    Replies: 17
    Last Post: 3rd October 2012, 08:34 PM
  5. Physics notes
    By Emad Hassan in forum 9th
    Replies: 2
    Last Post: 13th September 2011, 05:09 PM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •