
- Atuned filter
- Blow pass filter
- Chigh pass filter
- Drectifier

Explanation:
The circuit shown in figure has capacitor and inductor in parallel so their will be current flowing continuously with energy being transformed into electrical in capacitor and magnetic in inductor, hence it is a tuned filter.
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absorbs an energetic neutron and emits beta particles. The resulting nucleus is
|
(a) |
(b) |
(c) |
(d) |
An infinite number of charges, each of charge 1 mC, are placed on the x-axis with co-ordinates x = 1, 2, 4, 8, ....¥. If a charge of 1 C is kept at the origin, then what is the net force acting on 1 C charge
|
(a) 9000 N |
(b) 12000 N |
(c) 24000 N |
(d) 36000 N |
A plane wavefront (λ = 6 falls on a slit 0.4 mm wide. A convex lens of focal length 0.8 m placed behind the slit focusses the light on a screen. What is the linear diameter of second maximum
|
(a) 6mm |
(b) 12 mm |
(c) 3 mm |
(d) 9 mm |
The characteristic X-ray radiation is emitted, when
| (a) The electrons are accelerated to a fixed energy |
| (b) The source of electrons emits a monoenergetic beam |
|
(c) The bombarding electrons knock out electrons from the inner shell of the target atoms and one of the outer electrons falls into this vacancy |
|
(d) The valence electrons in the target atoms are removed as a result of the collision |
In the middle of the depletion layer of a reverse-biased PN junction, the
|
(a) Potential is zero |
(b) Electric field is zero |
|
(c) Potential is maximum |
(d) Electric field is maximum |
A wire of length L and 3 identical cells of negligible internal resistances are connected in series. Due to current, the temperature of the wire is raised by ∆ T in a time t. A number N of similar cells is now connected in series with a wire of the same material and cross – section but of length 2 L. The temperature of the wire is raised by the same amount ∆ T in the same time t. the value of N is
|
(a) 4 |
(b) 6 |
(c) 8 |
(d) 9 |