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Content Curator | Updated On - Jul 20, 2024
CBSE Class 12 Electrical Technology Compartment Question Paper 2024 with Answer Key pdf will be available for download here. The exam was conducted by Central Board of Secondary Education on July 15, 2024 in the Morning Session 10:30 AM to 1:30 PM. The question paper consists a total of 24 questions divided among 2 sections.
CBSE Class 12 Electrical Technology Compartment Question Paper 2024 with Answer Key
CBSE Class 12 Electrical Technology Question Paper 2024 PDF | CBSE Class 12 Electrical Technology Answer Key 2024 PDF |
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Available Soon | Available Soon |
CBSE CLASS XII Questions
1. If (i) A=\(\begin{bmatrix} \cos\alpha & \sin\alpha\\ -\sin\alpha & \cos\alpha \end{bmatrix}\),then verify that A'A=I
(ii) A= \(\begin{bmatrix} \sin\alpha & \cos\alpha\\ -\cos \alpha & \sin\alpha \end{bmatrix}\),then verify that A'A=I
(ii) A= \(\begin{bmatrix} \sin\alpha & \cos\alpha\\ -\cos \alpha & \sin\alpha \end{bmatrix}\),then verify that A'A=I
2. Find the vector and the cartesian equations of the lines that pass through the origin and(5,-2,3).
3. A circular disc is rotating about its own axis. An external opposing torque 0.02 Nm is applied on the disc by which it comes rest in 5 seconds. The initial angular momentum of disc is
- $0.1\,kgm^2s^{-1}$
- $0.04\,kgm^2s^{-1}$
- $0.025\,kgm^2s^{-1}$
- $0.01\,kgm^2s^{-1}$
4. A series LCR circuit with R = 20 W, L = 1.5 H and C = 35 μF is connected to a variable-frequency 200 V ac supply. When the frequency of the supply equals the natural frequency of the circuit, what is the average power transferred to the circuit in one complete cycle?
5. If A'= \(\begin{bmatrix} 3 & 4 \\ -1 & 2 \\ 0 &1 \end{bmatrix}\)\(\begin{bmatrix} -1 & 2 & 1 \\ 1 &2 & 3\end{bmatrix}\) , then verify that
(i) \((A+B)'=A'+B' \)
(ii) \((A-B)'=A'-B'\)
(i) \((A+B)'=A'+B' \)
(ii) \((A-B)'=A'-B'\)
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