1
IIT-JEE 1990
Subjective
+3
-0
Let $$\overrightarrow A = 2\overrightarrow i + \overrightarrow k ,\,\overrightarrow B = \overrightarrow i + \overrightarrow j + \overrightarrow k ,$$ and $$\overrightarrow C = 4\overrightarrow i - 3\overrightarrow j + 7\overrightarrow k .$$ Determine a vector $$\overrightarrow R .$$ Satisfying $$\overrightarrow R \times \overrightarrow B = \overrightarrow C \times \overrightarrow B $$ and $$\overrightarrow R \,.\,\overrightarrow A = 0$$
2
IIT-JEE 1990
Subjective
+3
-0

Column - I gives the three physical quantities. Select the appropriate units for the choices given in Column - II. Some of the physical quantities may have more than one choice correct:

Column I Column II
Capacitance (i) ohm-second
Inductance (ii) coulomb2 - joule-1
Magnetic Induction (iii) coulomb (volt)-1
(iv) newton (amp-meter)-1
(v) volt-second (ampere)-1
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