Miscellaneous Problems on Alternating Current
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PHXII07:ALTERNATING CURRENT

356138 Let \(L,R,C\) and \(V\) represent inductance, resistance, capacitance and voltage, respectively. The dimension of \(\frac{L}{{RCV}}\) in SI units will be

1 \(\left[ {L{A^{ - 2}}} \right]\)
2 \(\left[ {L{A^2}} \right]\)
3 \(\left[ {{A^{ - 1}}} \right]\)
4 [\(LTA\)]
JEE - 2019
PHXII07:ALTERNATING CURRENT

356139 Assertion :
An inductor acts as a perfect conductor for D.C.
Reason :
D.C. remains constant in direction.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII07:ALTERNATING CURRENT

356131 Match Column I with Column II. Choose the correct answer from the options given below.


























Column I Column II
A. \(A.C\) generator P. Presence of both \(L\) and \(C\)
B. Transformer Q. Electromagnetic induction
C. Resonance phenomenon to occur R. Quality factor
D. Sharpness of resonance S. Mutual induction

1 \({\rm{A}} - {\rm{S}},\,\,\,\,\,{\rm{B}} - {\rm{R}},\,\,\,\,\,{\rm{C}} - {\rm{P}},\,\,\,\,\,{\rm{D}} - {\rm{Q}}\)
2 \({\rm{A}} - {\rm{Q}},\,\,\,\,\,{\rm{B}} - {\rm{S}},\,\,\,\,\,{\rm{C}} - {\rm{P}},\,\,\,\,\,{\rm{D}} - {\rm{R}}\)
3 \({\rm{A}} - {\rm{Q}},\,\,\,\,\,{\rm{B}} - {\rm{P}},\,\,\,\,\,{\rm{C}} - {\rm{R}},\,\,\,\,\,{\rm{D}} - {\rm{S}}\)
4 \({\rm{A}} - {\rm{S}},\,\,\,\,\,{\rm{B}} - {\rm{Q}},\,\,\,\,\,{\rm{C}} - {\rm{P}},\,\,\,\,\,{\rm{D}} - {\rm{R}}\)
JEE - 2023
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PHXII07:ALTERNATING CURRENT

356138 Let \(L,R,C\) and \(V\) represent inductance, resistance, capacitance and voltage, respectively. The dimension of \(\frac{L}{{RCV}}\) in SI units will be

1 \(\left[ {L{A^{ - 2}}} \right]\)
2 \(\left[ {L{A^2}} \right]\)
3 \(\left[ {{A^{ - 1}}} \right]\)
4 [\(LTA\)]
JEE - 2019
PHXII07:ALTERNATING CURRENT

356139 Assertion :
An inductor acts as a perfect conductor for D.C.
Reason :
D.C. remains constant in direction.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII07:ALTERNATING CURRENT

356131 Match Column I with Column II. Choose the correct answer from the options given below.


























Column I Column II
A. \(A.C\) generator P. Presence of both \(L\) and \(C\)
B. Transformer Q. Electromagnetic induction
C. Resonance phenomenon to occur R. Quality factor
D. Sharpness of resonance S. Mutual induction

1 \({\rm{A}} - {\rm{S}},\,\,\,\,\,{\rm{B}} - {\rm{R}},\,\,\,\,\,{\rm{C}} - {\rm{P}},\,\,\,\,\,{\rm{D}} - {\rm{Q}}\)
2 \({\rm{A}} - {\rm{Q}},\,\,\,\,\,{\rm{B}} - {\rm{S}},\,\,\,\,\,{\rm{C}} - {\rm{P}},\,\,\,\,\,{\rm{D}} - {\rm{R}}\)
3 \({\rm{A}} - {\rm{Q}},\,\,\,\,\,{\rm{B}} - {\rm{P}},\,\,\,\,\,{\rm{C}} - {\rm{R}},\,\,\,\,\,{\rm{D}} - {\rm{S}}\)
4 \({\rm{A}} - {\rm{S}},\,\,\,\,\,{\rm{B}} - {\rm{Q}},\,\,\,\,\,{\rm{C}} - {\rm{P}},\,\,\,\,\,{\rm{D}} - {\rm{R}}\)
JEE - 2023
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PHXII07:ALTERNATING CURRENT

356138 Let \(L,R,C\) and \(V\) represent inductance, resistance, capacitance and voltage, respectively. The dimension of \(\frac{L}{{RCV}}\) in SI units will be

1 \(\left[ {L{A^{ - 2}}} \right]\)
2 \(\left[ {L{A^2}} \right]\)
3 \(\left[ {{A^{ - 1}}} \right]\)
4 [\(LTA\)]
JEE - 2019
PHXII07:ALTERNATING CURRENT

356139 Assertion :
An inductor acts as a perfect conductor for D.C.
Reason :
D.C. remains constant in direction.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII07:ALTERNATING CURRENT

356131 Match Column I with Column II. Choose the correct answer from the options given below.


























Column I Column II
A. \(A.C\) generator P. Presence of both \(L\) and \(C\)
B. Transformer Q. Electromagnetic induction
C. Resonance phenomenon to occur R. Quality factor
D. Sharpness of resonance S. Mutual induction

1 \({\rm{A}} - {\rm{S}},\,\,\,\,\,{\rm{B}} - {\rm{R}},\,\,\,\,\,{\rm{C}} - {\rm{P}},\,\,\,\,\,{\rm{D}} - {\rm{Q}}\)
2 \({\rm{A}} - {\rm{Q}},\,\,\,\,\,{\rm{B}} - {\rm{S}},\,\,\,\,\,{\rm{C}} - {\rm{P}},\,\,\,\,\,{\rm{D}} - {\rm{R}}\)
3 \({\rm{A}} - {\rm{Q}},\,\,\,\,\,{\rm{B}} - {\rm{P}},\,\,\,\,\,{\rm{C}} - {\rm{R}},\,\,\,\,\,{\rm{D}} - {\rm{S}}\)
4 \({\rm{A}} - {\rm{S}},\,\,\,\,\,{\rm{B}} - {\rm{Q}},\,\,\,\,\,{\rm{C}} - {\rm{P}},\,\,\,\,\,{\rm{D}} - {\rm{R}}\)
JEE - 2023
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