1. Write each of the following scales in ratios:
(a). 1cm represents 2mm.
(b). 5cm represents 0.1 km
(c). 2cm represents 0.01mm
(d). 5cm represents 75mm
(e). 1cm represents 2.5km
2. Find the length of the drawing if actual length of an object is 960m and the scale to be used is 1cm to 23m.
3. Find the length of the drawings if the actual length of an object is 26.5cm and the scale to be used is 5cm to 10m.
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Lenz’s law implies the law of conservation of energy. It shows that the mechanical energy spent in doing work, against the opposing force experienced by the moving magnet, is transformed into the electrical energy due to which current flows in the solenoid.
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