NEET
- Exam
- NEET
- Subject
- Physics
- Chapter
- Alternating Current
NEET · Physics · Alternating Current
Box may have any series combination of L, C and R. Column-I...
Box may have any series combination of and R. Column-I represents source current and column-II represents possible statements.
Options
- A(\mathrm{A} \rightarrow \mathrm{P}, \mathrm{B} \rightarrow \mathrm{R}, \mathrm{C} \rightarrow \mathrm{PS}, \mathrm{D} \rightarrow \mathrm{P})
- B(\mathrm{A} \rightarrow \mathrm{PT}, \mathrm{B} \rightarrow \mathrm{R}, \mathrm{C} \rightarrow \mathrm{PS}, \mathrm{D} \rightarrow \mathrm{PQ})
- C(\mathrm{A} \rightarrow \mathrm{PT}, \mathrm{B} \rightarrow \mathrm{PR}, \mathrm{C} \rightarrow \mathrm{P}, \mathrm{D} \rightarrow \mathrm{PQ})
- D(\mathrm{A} \rightarrow \mathrm{P}, \mathrm{B} \rightarrow \mathrm{PR}, \mathrm{C} \rightarrow \mathrm{P}, \mathrm{D} \rightarrow \mathrm{T})
Correct answer
B. (\mathrm{A} \rightarrow \mathrm{PT}, \mathrm{B} \rightarrow \mathrm{R}, \mathrm{C} \rightarrow \mathrm{PS}, \mathrm{D} \rightarrow \mathrm{PQ})
Step-by-step solution
For (A) : Current and voltage are in phase
(\Rightarrow) only R or RLC in resonance.
For (B) : Current leads voltage by (\frac{\pi}{2} \Rightarrow) only C
(\Rightarrow) power factor
For (C) : Current leads voltage (\Rightarrow \mathrm{RC})
or RLC with
For (D) : Current leads voltage
(\Rightarrow R L) or RLC with