- Using a graph discuss the change of state when ice is heated from -20C until it boils.(Solved)
Using a graph discuss the change of state when ice is heated from -20C until it boils.
Date posted: April 24, 2019.
- Describe an experiment to show how electrical method can be used to determine specific heat capacity.(Solved)
Describe an experiment to show how electrical method can be used to determine specific heat capacity.
Date posted: April 24, 2019.
- Describe an experiment to determine the specific heat capacity by the method of mixtures.(Solved)
Describe an experiment to determine the specific heat capacity by the method of mixtures.
Date posted: April 24, 2019.
- The figure below shows five resistors and 5.0V supply.(Solved)
The figure below shows five resistors and 5.0V supply.
Calculate:
a) The effective resistance of the circuit.
b) The total circuit current.
Date posted: April 24, 2019.
- Three resistors are connected as shown below:(Solved)
Three resistors are connected as shown below:
Calculate:
a) The total resistance of the circuit.
b) The current through each resistor.
Date posted: April 24, 2019.
- The figure below shows 3 resistors.(Solved)
The figure below shows 3 resistors.
Calculate:
a) The effective resistance of the circuit.
b) The total current in the circuit.
c) The voltage drop across each resistor.
Date posted: April 24, 2019.
- State and explain three main groups of resistors.(Solved)
State and explain three main groups of resistors.
Date posted: April 24, 2019.
- Describe an experiment that can be used to investigate Ohm’s law:(Solved)
Describe an experiment that can be used to investigate Ohm’s law:
Date posted: April 24, 2019.
- In the figure below, calculate the energy stored in the combined capacitor.(Solved)
In the figure below, calculate the energy stored in the combined capacitor.
Date posted: April 24, 2019.
- The figure below shows two capacitors connected to a 12V supply(Solved)
The figure below shows two capacitors connected to a 12V supply
Determine: a) the effective capacitance of the circuit
b) Charge on each capacitor
c) Energy stored in the combination
Date posted: April 24, 2019.
- In the circuit below, calculate:
(Solved)
In the circuit below, calculate:
a) The effective capacitance of the capacitors
b) The charge on each capacitor
c) The p.d across the plates of each capacitor
Date posted: April 24, 2019.
- Explain how you can determine the combined capacitance of Capacitors arranged in parallel.(Solved)
Explain how you can determine the combined capacitance of Capacitors arranged in parallel.
Date posted: April 24, 2019.
- Explain how you can experimentally investigate the factors affecting capacitance(Solved)
Explain how you can experimentally investigate the factors affecting capacitance
Date posted: April 24, 2019.
- Describe an experiment to show how a capacitor is discharged.(Solved)
Describe an experiment to show how a capacitor is discharged.
Date posted: April 24, 2019.
- Describe an experiment to show how a capacitor can be charged.(Solved)
Describe an experiment to show how a capacitor can be charged.
Date posted: April 24, 2019.
- Describe how charges are distributed on different surface a conductor.(Solved)
Describe how charges are distributed on different surface a conductor.
Date posted: April 24, 2019.
- Explain how you can determine the velocity ratio of a Pulley belt.(Solved)
Explain how you can determine the velocity ratio of a Pulley belt.
Date posted: April 24, 2019.
- Derive the formula for the velocity ratio of a wheel and axle.(Solved)
Derive the formula for the velocity ratio of a wheel and axle.
Date posted: April 24, 2019.
- Describe how you can determine the velocity ratio of an Hydraulic machine.(Solved)
Describe how you can determine the velocity ratio of an Hydraulic machine.
Date posted: April 24, 2019.
- Explain how you can determine the velocity ratio of the following;
a) Single fixed pulley
b) Single moveable pulley
c) A block and tackle(Solved)
Explain how you can determine the velocity ratio of the following;
a) Single fixed pulley
b) Single moveable pulley
c) A block and tackle
Date posted: April 24, 2019.
- Derive a formula to calculate the velocity ratio of gears.(Solved)
Derive a formula to calculate the velocity ratio of gears.
Date posted: April 24, 2019.
- Derive the formula of calculating the velocity ratio using inclined planes.(Solved)
Derive the formula of calculating the velocity ratio using inclined planes.
Date posted: April 24, 2019.
- Describe an experiment to show viscosity in fluids.(Solved)
Describe an experiment to show viscosity in fluids.
Date posted: April 24, 2019.
- Describe the working of a lift in the following states of motion;
a)At rest.
b)Descending with an acceleration a.
c)Ascending with an acceleration a(Solved)
Describe the working of a lift in the following states of motion;
a)At rest.
b)Descending with an acceleration a.
c)Ascending with an acceleration a
Date posted: April 24, 2019.
- Highlight three practical examples where the Newton’s first law of motion is applied.(Solved)
Highlight three practical examples where the Newton’s first law of motion is applied.
Date posted: April 24, 2019.
- Describe an experiment to determine acceleration due to gravity.(Solved)
Describe an experiment to determine acceleration due to gravity.
Date posted: April 24, 2019.
- Describe horizontal projection.(Solved)
Describe horizontal projection.
Date posted: April 24, 2019.
- Describe vertical projection.(Solved)
Describe vertical projection.
Date posted: April 24, 2019.
- Describe free fall.(Solved)
Describe free fall.
Date posted: April 24, 2019.
- Using a tick-timer tape show the patterns for the following motions;
a)A body moving at constant velocity.
b)A body moving with increasing velocity (accelerating).
c)A body moving with...(Solved)
Using a tick-timer tape show the patterns for the following motions;
a)A body moving at constant velocity.
b)A body moving with increasing velocity (accelerating).
c)A body moving with decreasing velocity (decelerating).
In each case show the direction of motion.
Date posted: April 24, 2019.