Electrical Instruments
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PHXII03:CURRENT ELECTRICITY

357290 The figure shown below is a metre bridge set up with null deflection in the galvanometer. The value of the unknown resistance \(R\) is
supporting img

1 \(120\,\Omega \)
2 \(150\,\Omega \)
3 \(118\,\Omega \)
4 \(195\,\Omega \)
PHXII03:CURRENT ELECTRICITY

357291 In Meter bridge or Wheatstone bridge for measurement of resistance, the known and the unknown resistances are interchanged. The error so removed is

1 end correction
2 index error
3 due to temperature effect
4 random error
PHXII03:CURRENT ELECTRICITY

357292 Match the entries of Column I with their correct mathematical expressions in Column II
Column I
Column II
A
Balanced condition of wheatstone bridge
P
\(\frac{{{R_1}}}{{{R_2}}} = \frac{{{R_3}}}{{{R_4}}}\)
B
Comparison of emf of two cells
Q
\(\frac{R}{S} = \frac{{{l_1}}}{{100 - {l_1}}}\)
C
Determination of internal resistance of a cells
R
\(\frac{{{E_1}}}{{{E_2}}} = \frac{{{l_1}}}{{{l_2}}}\)
D
Determination of unknown resistance
S
\(r = R\left( {\frac{{{l_1}}}{{{l_2}}} - 1} \right)\)

1 A - S, B - Q, C - R, D - P
2 A - P B - R, C - S, D - Q
3 A - R, B - S, C - Q, D - P
4 A - S, B - R, C - Q, D - P
PHXII03:CURRENT ELECTRICITY

357293 A cell can be balanced against 110 \(cm\) and 100 \(cm\) of potentiometer wire, respectively with and without being short circuited through a resistance of \(10\Omega \). Its internal resistance is

1 \({\rm{Zero}}\)
2 \(1.0\Omega \)
3 \(0.5\Omega \)
4 \(2.0\Omega \)
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PHXII03:CURRENT ELECTRICITY

357290 The figure shown below is a metre bridge set up with null deflection in the galvanometer. The value of the unknown resistance \(R\) is
supporting img

1 \(120\,\Omega \)
2 \(150\,\Omega \)
3 \(118\,\Omega \)
4 \(195\,\Omega \)
PHXII03:CURRENT ELECTRICITY

357291 In Meter bridge or Wheatstone bridge for measurement of resistance, the known and the unknown resistances are interchanged. The error so removed is

1 end correction
2 index error
3 due to temperature effect
4 random error
PHXII03:CURRENT ELECTRICITY

357292 Match the entries of Column I with their correct mathematical expressions in Column II
Column I
Column II
A
Balanced condition of wheatstone bridge
P
\(\frac{{{R_1}}}{{{R_2}}} = \frac{{{R_3}}}{{{R_4}}}\)
B
Comparison of emf of two cells
Q
\(\frac{R}{S} = \frac{{{l_1}}}{{100 - {l_1}}}\)
C
Determination of internal resistance of a cells
R
\(\frac{{{E_1}}}{{{E_2}}} = \frac{{{l_1}}}{{{l_2}}}\)
D
Determination of unknown resistance
S
\(r = R\left( {\frac{{{l_1}}}{{{l_2}}} - 1} \right)\)

1 A - S, B - Q, C - R, D - P
2 A - P B - R, C - S, D - Q
3 A - R, B - S, C - Q, D - P
4 A - S, B - R, C - Q, D - P
PHXII03:CURRENT ELECTRICITY

357293 A cell can be balanced against 110 \(cm\) and 100 \(cm\) of potentiometer wire, respectively with and without being short circuited through a resistance of \(10\Omega \). Its internal resistance is

1 \({\rm{Zero}}\)
2 \(1.0\Omega \)
3 \(0.5\Omega \)
4 \(2.0\Omega \)
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NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII03:CURRENT ELECTRICITY

357290 The figure shown below is a metre bridge set up with null deflection in the galvanometer. The value of the unknown resistance \(R\) is
supporting img

1 \(120\,\Omega \)
2 \(150\,\Omega \)
3 \(118\,\Omega \)
4 \(195\,\Omega \)
PHXII03:CURRENT ELECTRICITY

357291 In Meter bridge or Wheatstone bridge for measurement of resistance, the known and the unknown resistances are interchanged. The error so removed is

1 end correction
2 index error
3 due to temperature effect
4 random error
PHXII03:CURRENT ELECTRICITY

357292 Match the entries of Column I with their correct mathematical expressions in Column II
Column I
Column II
A
Balanced condition of wheatstone bridge
P
\(\frac{{{R_1}}}{{{R_2}}} = \frac{{{R_3}}}{{{R_4}}}\)
B
Comparison of emf of two cells
Q
\(\frac{R}{S} = \frac{{{l_1}}}{{100 - {l_1}}}\)
C
Determination of internal resistance of a cells
R
\(\frac{{{E_1}}}{{{E_2}}} = \frac{{{l_1}}}{{{l_2}}}\)
D
Determination of unknown resistance
S
\(r = R\left( {\frac{{{l_1}}}{{{l_2}}} - 1} \right)\)

1 A - S, B - Q, C - R, D - P
2 A - P B - R, C - S, D - Q
3 A - R, B - S, C - Q, D - P
4 A - S, B - R, C - Q, D - P
PHXII03:CURRENT ELECTRICITY

357293 A cell can be balanced against 110 \(cm\) and 100 \(cm\) of potentiometer wire, respectively with and without being short circuited through a resistance of \(10\Omega \). Its internal resistance is

1 \({\rm{Zero}}\)
2 \(1.0\Omega \)
3 \(0.5\Omega \)
4 \(2.0\Omega \)
NEET DIGITAL LIBRARY
PHXII03:CURRENT ELECTRICITY

357290 The figure shown below is a metre bridge set up with null deflection in the galvanometer. The value of the unknown resistance \(R\) is
supporting img

1 \(120\,\Omega \)
2 \(150\,\Omega \)
3 \(118\,\Omega \)
4 \(195\,\Omega \)
PHXII03:CURRENT ELECTRICITY

357291 In Meter bridge or Wheatstone bridge for measurement of resistance, the known and the unknown resistances are interchanged. The error so removed is

1 end correction
2 index error
3 due to temperature effect
4 random error
PHXII03:CURRENT ELECTRICITY

357292 Match the entries of Column I with their correct mathematical expressions in Column II
Column I
Column II
A
Balanced condition of wheatstone bridge
P
\(\frac{{{R_1}}}{{{R_2}}} = \frac{{{R_3}}}{{{R_4}}}\)
B
Comparison of emf of two cells
Q
\(\frac{R}{S} = \frac{{{l_1}}}{{100 - {l_1}}}\)
C
Determination of internal resistance of a cells
R
\(\frac{{{E_1}}}{{{E_2}}} = \frac{{{l_1}}}{{{l_2}}}\)
D
Determination of unknown resistance
S
\(r = R\left( {\frac{{{l_1}}}{{{l_2}}} - 1} \right)\)

1 A - S, B - Q, C - R, D - P
2 A - P B - R, C - S, D - Q
3 A - R, B - S, C - Q, D - P
4 A - S, B - R, C - Q, D - P
PHXII03:CURRENT ELECTRICITY

357293 A cell can be balanced against 110 \(cm\) and 100 \(cm\) of potentiometer wire, respectively with and without being short circuited through a resistance of \(10\Omega \). Its internal resistance is

1 \({\rm{Zero}}\)
2 \(1.0\Omega \)
3 \(0.5\Omega \)
4 \(2.0\Omega \)
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