Answer the following questions:
State Snell's law of refraction.
When a conductor placed in a magnetic field experiences maximum mechanical force?
Answer the following questions:
2x2
Draw the diagram of the electric circuit used to study Ohm's law and label voltmeter.
State any two major hazards associated with a nuclear power plant?
Answer the following questions:
Draw a ray diagram and write the position, relative size and nature of image when object is
placed at principal focus of a convex lens.
What are the advantages of connecting electrical devices in parallel with the battery instead of
connecting them in series.
Several electric bulbs designed to be used on a 220V electric supply line, are rated 10W. How
many lamps can be connected in parallel with each others across the two wires of 220V line if
the maximum available current is 5A?
OR
An electric lamp where resistance is 200 and a conductor of 4 resistance are connected in
series to a 6V battery calculate.
a) The total resistance of the circuit
b) The current through the circuit and
c) The potential difference across the electric lamp and conductor.
Answers
Answer the following questions:
State Snell's law of refraction.
When a conductor placed in a magnetic field experiences maximum mechanical force?
Answer the following questions:
2x2
Draw the diagram of the electric circuit used to study Ohm's law and label voltmeter.
State any two major hazards associated with a nuclear power plant?
Answer the following questions:
Draw a ray diagram and write the position, relative size and nature of image when object is
placed at principal focus of a convex lens.
What are the advantages of connecting electrical devices in parallel with the battery instead of
connecting them in series.
Several electric bulbs designed to be used on a 220V electric supply line, are rated 10W. How
many lamps can be connected in parallel with each others across the two wires of 220V line if
the maximum available current is 5A?
OR
An electric lamp where resistance is 200 and a conductor of 4 resistance are connected in
series to a 6V battery calculate.
a) The total resistance of the circuit
b) The current through the circuit and
c) The potential difference across the electric lamp and conductor.
Explanation:
Answer the following questions:
State Snell's law of refraction.
When a conductor placed in a magnetic field experiences maximum mechanical force?
Answer the following questions:
2x2
Draw the diagram of the electric circuit used to study Ohm's law and label voltmeter.
State any two major hazards associated with a nuclear power plant?
Answer the following questions:
Draw a ray diagram and write the position, relative size and nature of image when object is
placed at principal focus of a convex lens.
What are the advantages of connecting electrical devices in parallel with the battery instead of
connecting them in series.
Several electric bulbs designed to be used on a 220V electric supply line, are rated 10W. How
many lamps can be connected in parallel with each others across the two wires of 220V line if
the maximum available current is 5A?
OR
An electric lamp where resistance is 200 and a conductor of 4 resistance are connected in
series to a 6V battery calculate.
a) The total resistance of the circuit
b) The current through the circuit and
c) The potential difference across the electric lamp and conductor