
- AZero
- BMinimum but finite
- CMaximum but finite
- DInfinite

Explanation:
At resonance XL = XC
⇒ R & current is maximum but finite, which is
$\text{I}_\text{max}=\frac{\text{E}}{\text{R}}$ where E is applied voltag.
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Equivalent resistance between the points A and B is (in W)
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(a) |
(b) 1 |
(c) 2 |
(d) 3 |
The following truth table corresponds to the logic gate
| A | 0 | 0 | 1 | 1 |
| B | 0 | 1 | 0 | 1 |
| X | 0 | 1 | 1 | 1 |
|
(a) NAND |
(b) OR |
(c) AND |
(d) XOR |
The current in the following circuit is

|
(a) |
(b) |
(c) |
(d) 1A |
In an RC circuit while charging, the graph of in i versus time is as shown by the dotted line in the diagram figure, where i is the current. When the value of the resistance is doubled, which of the solid curve best represents the variation of in i versus time

|
(a) P |
(b) Q |
(c) R |
(d) S |
A 100 watt bulb working on 200 volt and a 200 watt bulb working on 100 volt have
|
(a) Resistances in the ratio of 4 : 1 |
|
(b) Maximum current ratings in the ratio of 1 : 4 |
|
(c) Resistances in the ratio of 2 : 1 |
|
(d) Maximum current ratings in the ratio of 1 : 2 |
The most penetrating radiation out of the following is
| (a) X-rays | (b) β -rays |
(c) α - particles |
(d) γ - rays |