That light is a transverse wave.
joseph rimiru answered the question on October 9, 2017 at 14:13
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State two conditions under which Ohm’s law is obeyed in a given metal.
Date posted: October 9, 2017. Answers (1)
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If the p.d. of 0.75 v is applied at the end of a wire of length 1.0 m long with a cross-sectional area of 1.6 x 10^-4 m^2 and a current of 1.4 A flow through it. Calculate its resistivity.
Date posted: October 9, 2017. Answers (1)
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Date posted: October 9, 2017. Answers (1)
- In a certain building during construction, a crane lifted a load of 4000 kg through a vertical distance of 6.0m in 12 seconds.
Determine the:
i. Work done
ii. Power...(Solved)
In a certain building during construction, a crane lifted a load of 4000 kg through a vertical distance of 6.0m in 12 seconds.
Determine the:
i. Work done
ii. Power developed by the crane
iii. Efficiency of the crane if it is rated 25 kw
Date posted: October 9, 2017. Answers (1)
- A sliding body on an inclined plane is affected by some factors. Name two factors.(Solved)
A sliding body on an inclined plane is affected by some factors. Name two factors.
Date posted: October 9, 2017. Answers (1)
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A horizontal force of 24 N is applied on a metallic block of mass 5kg placed on a horizontal surface. The block was accelerated to 10 m/s^2. Determine the frictional force between the block and the surface.
Date posted: October 9, 2017. Answers (1)
- A wheelbarrow of mass 50 kg was pushed along a horizontal path by a horizontal force of 10 N and moves with a constant velocity....(Solved)
A wheelbarrow of mass 50 kg was pushed along a horizontal path by a horizontal force of 10 N and moves with a constant velocity. The force was then increased to 18N. Determine :
a. The resistance to the motion of the wheelbarrow
b. The acceleration of the wheelbarrow.
Date posted: October 9, 2017. Answers (1)
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State any three ways in which the induced emf in the generator can be increased.
Date posted: October 9, 2017. Answers (1)
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Date posted: October 9, 2017. Answers (1)
- State three factors that affect electrical energy.(Solved)
State three factors that affect electrical energy.
Date posted: October 9, 2017. Answers (1)
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State the factors affecting resistance of a conductor.
Date posted: October 9, 2017. Answers (1)
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State three disadvantages of lead acid accumulators
Date posted: October 9, 2017. Answers (1)
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State two disadvantages of simple cell.
Date posted: October 9, 2017. Answers (1)
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State two types of cells.
Date posted: October 9, 2017. Answers (1)
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Date posted: October 9, 2017. Answers (1)
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Define Surface charge density.
Date posted: October 9, 2017. Answers (1)
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State two properties of electric field lines
Date posted: October 9, 2017. Answers (1)
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Describe three ways of discharging an electroscope
Date posted: October 9, 2017. Answers (1)
- State two methods of charging an electroscope.(Solved)
State two methods of charging an electroscope.
Date posted: October 9, 2017. Answers (1)
- State the functions of the following parts of the gols-leaf electroscope.
1. Insulator
2. Metal plate(Solved)
State the functions of the following parts of the gols-leaf electroscope.
1. Insulator
2. Metal plate
Date posted: October 9, 2017. Answers (1)