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Champ Jee
Subject: Science
, asked on 22/2/18
Pls simplify the arrangements !! Q43
Answer
2
Champ Jee
Subject: Science
, asked on 22/2/18
Q42. Please.
Experts please teach how are the circuits connected in parallel or series in the given question. Just simplify the arrangement by drawing and writing what is necessary....pls pls
Q42. Three students (A), (B) and (C) connect their two given resistors R
1
and R
2
in the manners shown below :
They connect the terminals marked X and Y above to the terminals marked X and Y in the Circuit given below :
They record the Ammeter readings (I) for different positions of the rheostat and the corresponding Voltmeter readings (V).
The average value of the ratio V/I in their observations would be minimum for:
(1) students (A) and (B) only (2) students (B) and (C) only
(3) Students (C) and (A) only (4) students (A) only
Answer
1
Champ Jee
Subject: Science
, asked on 22/2/18
Q36!!
Answer key shows option (a).
Why if case X is correct then, case Z should be too. Please explain the whole question.Q36!!
Answer key shows option (a).
Why if case X is correct then, case Z should be too. Please explain the whole question.
Q.36. In the experiment on finding the equivalent resistance of two resistors connected in series, three students connected the ammeter in their circuits in the three ways X, Y and Z shown here.
Assuming their ammeters has to be ideal, the ammeters has been correctly connected in
(1) cases X and Y only
(2) cases Y and Z only
(3) cases Z and X only
(4) all the three cases
Answer
4
Champ Jee
Subject: Science
, asked on 22/2/18
Q14. Why option c is right answer and not other options?
Q14. Consider the following circuits :
On plugging the key, the voltmeter /ammeter is likely to be damaged :
(1) in circuit A (2) in circuit B (3) in circuit C (4) in circuit D
Answer
2
Champ Jee
Subject: Science
, asked on 21/2/18
22. The voltmeter. ammeter and resistance in the circuit shown have been checked and found to be correct. On plugging the key. the voltmeter reads 4.5 V, but the ammeter reads 1.5A. is the observation correct? If not, what fault is possible and why?
Answer
1
Champ Jee
Subject: Science
, asked on 5/2/18
In a voltmeter there are 20 division between 0 to 0.5 V the least count will be:
(a) 0.020 V (b) 0.025 V (c) 0.050 V (d) 0.250 V
Answer
2
Harry
Subject: Science
, asked on 26/1/18
Can someone answer this? Kindly ignore the markings.
Q. Four students connect 4 cells of 1.5 V each to get a battery of voltage 6 V. Connections of which student is incorrect ?
A.
B.
C.
D.
Answer
2
Champ Jee
Subject: Science
, asked on 27/12/17
Q 6 and 7
6.
For the circuit shown in the figures I and II given below :
The ammeter reading are :
(a) 1 A in both circuits. (b) OA in both circuits.
(c) OA in circuit I and IA in circuit II. (d) 1A in circuit I and OA in circuit II.
7. In which of the following circuits is the voltmeter/ammeter likely to be damaged on plugging the key ?
(a) I (b) II
(c) III (d) IV
Answer
3
Champ Jee
Subject: Science
, asked on 27/12/17
Q. In the circuits A, B, C and D with switch S open, the lamps Q and R would light up but not lamp P in:
1. Circuit A
2. Circuit B
3. Circuit C
4. Circuit D
Answer
1
Champ Jee
Subject: Science
, asked on 27/12/17
Q9 in the given pic
Answer
1
Champ Jee
Subject: Science
, asked on 27/12/17
Q24 in given pic, pls fast.....
Answer
2
Anuja Raju Gokhare
Subject: Science
, asked on 3/10/17
In an experiment on studying the dependence of current flowing through a given resistance on the potential difference V applied across it list two ways how a student would change the values of the current in the circuit.
Answer
1
Romil Singh
Subject: Science
, asked on 12/9/17
Question 39 .Why
39. You are given four voltmeters of given ranges. The correct choice of voltmeter for doing the experiment with a battery of 4.5 V is :
(a) Voltmeter with range of 0 - 1 V (b) Voltmeter with range of 0 - 3 V
(c) Voltmeter with range of 0 - 4 V (d) Voltmeter with range of 0 - 5 V
Answer
1
Mayank Manohar Shetty
Subject: Science
, asked on 14/10/16
when the pointer is in the left of the zero mark in milliammeter does it mean it has a zero error?if yes, why.....if no, why?
Answer
3
Aaryan
Subject: Science
, asked on 19/9/16
When 2 resistors of resistance 3 ohm and 5 ohm are connected to a battery it will have across the two resistors.
1. Same potential difference when connected in series.
2. Same current when connected in parallel
3. Different potential difference when connected in parallel
4. Same current flowing through them when connected in series
Answer
3
1
2
3
4
5
Next
What are you looking for?
Experts please teach how are the circuits connected in parallel or series in the given question. Just simplify the arrangement by drawing and writing what is necessary....pls pls
Q42. Three students (A), (B) and (C) connect their two given resistors R1 and R2 in the manners shown below :
They connect the terminals marked X and Y above to the terminals marked X and Y in the Circuit given below :
They record the Ammeter readings (I) for different positions of the rheostat and the corresponding Voltmeter readings (V).
The average value of the ratio V/I in their observations would be minimum for:
(1) students (A) and (B) only (2) students (B) and (C) only
(3) Students (C) and (A) only (4) students (A) only
Answer key shows option (a).
Why if case X is correct then, case Z should be too. Please explain the whole question.Q36!!
Answer key shows option (a).
Why if case X is correct then, case Z should be too. Please explain the whole question.
Q.36. In the experiment on finding the equivalent resistance of two resistors connected in series, three students connected the ammeter in their circuits in the three ways X, Y and Z shown here.
Assuming their ammeters has to be ideal, the ammeters has been correctly connected in
(1) cases X and Y only
(2) cases Y and Z only
(3) cases Z and X only
(4) all the three cases
Q14. Consider the following circuits :
On plugging the key, the voltmeter /ammeter is likely to be damaged :
(1) in circuit A (2) in circuit B (3) in circuit C (4) in circuit D
(a) 0.020 V (b) 0.025 V (c) 0.050 V (d) 0.250 V
Q. Four students connect 4 cells of 1.5 V each to get a battery of voltage 6 V. Connections of which student is incorrect ?
A.
B.
C.
D.
6. For the circuit shown in the figures I and II given below :
(a) 1 A in both circuits. (b) OA in both circuits.
(c) OA in circuit I and IA in circuit II. (d) 1A in circuit I and OA in circuit II.
7. In which of the following circuits is the voltmeter/ammeter likely to be damaged on plugging the key ?
(a) I (b) II
(c) III (d) IV
Q. In the circuits A, B, C and D with switch S open, the lamps Q and R would light up but not lamp P in:
1. Circuit A
2. Circuit B
3. Circuit C
4. Circuit D
39. You are given four voltmeters of given ranges. The correct choice of voltmeter for doing the experiment with a battery of 4.5 V is :
(a) Voltmeter with range of 0 - 1 V (b) Voltmeter with range of 0 - 3 V
(c) Voltmeter with range of 0 - 4 V (d) Voltmeter with range of 0 - 5 V
1. Same potential difference when connected in series.
2. Same current when connected in parallel
3. Different potential difference when connected in parallel
4. Same current flowing through them when connected in series