MCQ
Identify the combination which is not a series connection.
- AResistance box
- BDecorative bulbs
- CFuses
- DDomestic appliances
✓
Answer
- Domestic appliances
Explanation:
Domestic appliances in a house are connected in parallel combinations, and not in series combinations. This arrangement is done so that each of the appliances can switched on and off independently, which is essential in a house’s wiring.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A charged particle moves through a magnetic field perpendicular to its direction. Then:
The current carrying wire and the rod AB are in the same plane. The rod moves parallel to the wire with a velocity v. Which one of the following statements is true about induced emf in the rod
|
(a) End A will be at lower potential with respect to B |
|
(b) A and B will be at the same potential |
|
(c) There will be no induced e.m.f. in the rod |
|
(d) Potential at A will be higher than that at B |
What is the atomic mass (u) of sodium?
The electric field intensity at a point in vacuum is equal to:
The core of a transformer is laminated so that
|
(a) Ratio of voltage in the primary and secondary may be increased |
|
(b) Rusting of the core may be stopped |
|
(c) Energy losses due to eddy currents may be reduced |
|
(d) Change in flux is increased |
Optical path is equal to :
$\gamma - \text{rays}$ are deflected by:
→1 g of hydrogen is converted into 0.993 g of helium in a thermonuclear reaction. The energy released is
|
(a) 63 |
(b) 63 |
(c) 63 |
(d) 63 |
For ferromagnetic material, the relative permeability (
, versus magnetic intensity (H) has the following shape
|
(a)
|
(b)
|
(c)
|
(d)
|
Ray diverging from a point source from a wave front that is
|
(a) Cylindrical |
(b) Spherical |
(c) Plane |
(d) Cubical |