Science Practice Quiz 204

Q1.What is the basic unit of time?

A. Minute B. Hour C. Second D. Day

Q2.Given that speed is defined as distance/time, what is the basic unit of speed?

A. km/h B. m/min C. m/s D. cm/s

Q3.What rule must be remembered when writing the symbols of all units?

A. They are always capitalized. B. They are written in plural form. C. They are written in singular form. D. They are followed by a period.

Q4.What effect does a slight change in the initial displacement have on the time period of a simple pendulum?

A. It significantly increases the time period. B. It significantly decreases the time period. C. It does not affect the time period. D. It makes the time period unpredictable.

Q5.In the symbolic representation of an electric cell, what does the longer line represent?

A. The negative terminal B. The positive terminal C. The neutral point D. The switch connection

Q6.According to the provided text, what does the thicker, shorter line in the symbol of an electric cell signify?

A. The positive terminal B. The neutral terminal C. The negative terminal D. The circuit breaker

Q7.What constitutes a battery?

A. A single electric cell B. Two or more cells connected together C. A combination of a switch and a bulb D. A device that stores magnetic energy

Q8.How are the wires used to connect various components in an electric circuit represented symbolically in this book?

A. By dotted lines B. By zigzag lines C. By thick parallel lines D. By lines

Q9.What is the primary reason for using symbols to represent electric components, as implied by Boojho's wonder?

A. To make circuits more decorative B. To make circuit drawings more complex C. To provide an easier way to represent components D. To hide the actual components from view

Q10.Which of the following terminals are present in an electric cell?

A. Only a positive terminal B. Only a negative terminal C. A positive and a negative terminal D. A neutral and a ground terminal

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Science Practice Quiz 204