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High School/JEE/NEET/IPhO Physics | 17-19 Yrs

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  1.  
    2. thank you sir for this great contribution in the edtech sector and my education towards physics. thank you your student Shoubhik Saha
    2 years ago by

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  2.  
    3. Sir galvanometer unidirectional hoga ya bi ye uspe bhi depend karega na ki konsi position pe hai
    3 years ago by Kb Bhanushali

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  3.  
    4. how i=1 come here
    3 years ago by puspita kundu

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  4.  
    5. sir how do we define coil resistance?
    4 years ago by Swapnil Aggarwal

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  5.  
    6. sir net resistance is Rr/R r...then why IR??
    4 years ago by

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  6.  
    7. Sir, are only 5 instruments viz Galvanometer, ammeter,voltmeter,potentiometer and meter bridge in syllabus of jee advance or other instruments lik post office box is also there...? BTW your videos are awesome....
    5 years ago by Divyanshu Chandanan

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  7.  
    8. SIR, MODULE 5 AND MODULE 8 not understood completely. can u explain it by solving more questions or examples????
    5 years ago by Rachit Yadav

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  8.  
    9. Sir, i think it would be - 34/13 A
    6 years ago by Pratyush Ranjan Roul

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  9.  
    10. How can galvanometer behaves as ammeter or voltmeter only just by adding resistance.Exactly how it gives the idea that it is showing current or voltage only just by making Ig current to pass thr galvanometer...???
    7 years ago by Shah Darshan Jagdishbhai

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  10.  
    11. Are the shunt res. Variable for a single ammeter or galvanometer according to change in current.???
    7 years ago by Shah Darshan Jagdishbhai
    Ans 1 ->
    no as by changing current only potential drop changes....
    7 years ago by Rithik Chopra

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  11.  
    12. sir what is rp in the wire
    7 years ago by Sruthi rajanala
    Ans 1 ->
    its the resistance of potentiometer wire...
    7 years ago by Physics Galaxy

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  12.  
    13. Sir what is the material of meter bridge wire is made up of?
    8 years ago by Ritik Agarwal
    Ans 1 ->
    Constantan or manganin
    8 years ago by Vaibhav Goel

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  13.  
    14. sir the animated unidirectional and bidirectional galvanometer are not visible in computer screen.
    8 years ago by harshvardhan shukla

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  14.  
    15. Correction to earlier question posted by SHIVASIS MOHANTY. In circuits consisting of electrical measuring instruments(like ammeter,voltmeter,potentiometer etc.) is the arrangement of resistors or capacitors affected i.e. suppose we take 4 resistors which are initially in parallel connection.Now if we connect a voltmeter to the 2nd resistor, will the 4 resistors still remain in parallel?
    8 years ago by SHIVASIS MOHANTY

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  15.  
    16. In circuits consisting of electrical measuring instruments(like ammeter,voltmeter,potentiometer etc.) is the arrangement of resistors or capacitors affected i.e. suppose we take 4 resistors which are initially in parallel connection.Now if we connect a voltmeter to the 2nd resistor, will the 4 resistors still remain in series?
    8 years ago by SHIVASIS MOHANTY

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  16.  
    17. sir you have calculated wrong!
    8 years ago by Akul Malhotra
    Ans 1 ->
    calculation mistake is there sir.
    7 years ago by Vishesh Jain

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  17.  
    18. sir in the realistic situation shouldn't we connect the secondary circuit to A instead of B .
    8 years ago by KRISHNA VADLAMANI

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  18.  
    19. how ir=(lambda)(R)
    8 years ago by harsh shastri
    Ans 1 ->
    it is not of your level a level improve your level
    8 years ago by Bulltechforums Darktutor

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  19.  
    20. what is meant by range here? does not the value of shunt resistance will change if the value of current is less than the extreme value of the range?
    8 years ago by

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  20.  
    21. Dear sir..suppose that if we remove the external 0.3 resistance...we can find out the balancing length for emf 1.5..if we do like that the balancing length comes out to be 187.5 cm which is not possible..can u explain sir???
    8 years ago by Abinay gangireddygari
    Ans 1 ->
    for no point on the wire the difflection will be zero in the galvanometer
    8 years ago by KRISHNA VADLAMANI

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  21.  
    22. isn''t wire is of lenghth 1m?
    9 years ago by RAKSHIT MAINI
    Ans 1 ->
    In case of meter bridge wire length is 1m and in a normal lab potentiometer it is of 10m and can be of any length in a potentiometer....If length increases its sensitivity increases...
    9 years ago by Physics Galaxy

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