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Recent questions tagged 211

The centre of the circle given by $\overrightarrow{r}.(\hat{i} + 2 \hat{j} + 2 \hat{k}) =15 $ and $| \overrightarrow{r} - (\hat{j} + 2 \hat{k})| = 4$ is :

asked Dec 11, 2018 by pady_1

0 answers

Consider points A, B, C and D with position vectors $7 \hat{i} - 4 \hat{j} + 7 \hat{k}, \; \hat{i} - 6 \hat{j} + 10 \hat{k}, \; -\hat{i} - 3 \hat{j} + 4 \hat{k}$ and $5 \hat{i} - \hat{j} + 5 \hat{k}$ respectively. Then ABCD is a :

asked Dec 11, 2018 by pady_1

0 answers

A coil having n turns and resistance $4 R \Omega$. This combination is moved in time t seconds from a magnetic field $W_1$ weber to $W_2$ weber. The induced current in the circuit is

asked Nov 5, 2018 by pady_1

1 answer

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