30) The circuit fig. 32 contains a battery of emf E, switch, and resistor of resistance R and an inductor of inductance L LE R www Figure 32 L Which of the following statements about the circuit is NOT true? A) Opening the switch causes an induced emf which acts against the battery emf B) Opening the switch can cause a sparks to jump across the switch gap C) When the switch is closed the maximum current is E/R D) Closing the switch the initial rate of rise of current is E/L.

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