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The modern studies on intelligence are especially relevant to science education. The traditional view is that intelligence is hereditary and does not change. Because of this some students are considered to be deficient in logical thinking, mathematical operations and analytica..

(Fig. 30.05).* The resulting line graph shows a normal variation of business for the dealer, but does not reveal the general trend of business. That is, is it improving, declining or remaining the same ? We can show the general trend by first calculating the mean for each four m..

> 72. A parallel resonant circuit is called a rejector circuit. 73. What is meant by dynamic resistance ? 74. Draw a diagram to show the variation of cunent with frequency in the case of a parallel resonant circuit. 75. 230 V a.c is more dangerous than 230 V d.c, why ? 76. "Using a hot wire instrum..