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Match the following:
| 1. | Lactometer | a. | Relative density |
| 2. | Saccharometer | b. | Alcohol |
| 3. | Alcoholometer | c. | Sugar |
| 4. | Pycnometer | d. | Milk |
Concept: undefined >> undefined
The correct lactometer reading is only obtained at a temperature of 60° C.
Concept: undefined >> undefined
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What is a trip switch?
Concept: undefined >> undefined
The following is not a safety device.
Concept: undefined >> undefined
An electric fuse is a wire made up of a material having ______ melting point.
Concept: undefined >> undefined
An electrochemical cell converts ______ energy into ______ energy.
Concept: undefined >> undefined
A trip switch is a ______ safety device.
Concept: undefined >> undefined
A fuse is used in an electric circuit to stop high currents flowing through the circuit.
Concept: undefined >> undefined
The electric fuse works on the Joule heating principle.
Concept: undefined >> undefined
Explain why fuse wire is always connected in a series arrangement.
Concept: undefined >> undefined
Define the following:
Electrolyte
Concept: undefined >> undefined
An electric generator converts ______.
Concept: undefined >> undefined
Match the following:
| 1. | Electric generator | a. | Electromagnetic induction |
| 2. | Dynamo | b. | Fleming’s left-hand rule |
| 3. | Magnetic field lines | c. | Slip rings |
| 4. | Electric motor | d. | North to south |
Concept: undefined >> undefined
An electric generator works on the principle of electromagnetic induction.
Concept: undefined >> undefined
Define an electric generator or a dynamo.
Concept: undefined >> undefined
A boy is standing at a distance of 3m in front of a plane mirror. The distance between the boy and his image is ______m.
Concept: undefined >> undefined
The image formed by a convex mirror is always ______.
Concept: undefined >> undefined
As you move an object always from a convex mirror, its image becomes ______
and moves towards ______.
Concept: undefined >> undefined
The field of view is maximum for ______.
Concept: undefined >> undefined
If the object is at infinity in front of a convex mirror the image is formed at infinity.
Concept: undefined >> undefined
