A Zener diode with a breakdown voltage of 4V is connected in series...

A Zener diode with a breakdown voltage of

4V

is connected in series with a resistance

R

to a battery of emf

10V

. The maximum power dissipation rating for the Zener diode is

1W

. The value of

R

to ensure maximum power dissipation across the diode is A Zener diode with a breakdown voltage of 4V is connected in series with a resistance R to a battery of emf 10V . The

A Zener diode with a breakdown voltage of 4V is connected in series with a resistance R to a battery of emf 10V . The

Options

A $12Ω$
B $24Ω$
C $36Ω$
D $6Ω$

Correct answer

B. $24Ω$

Step-by-step solution

A Zener diode with a breakdown voltage of 4V is connected in series with a resistance R to a battery of emf 10V . The
${\text{P}}_{\text{zener}} = 4i = 1$

$⇒ i = \dfrac{1}{4}A$

$i = \dfrac{6}{R} = \dfrac{1}{4}$

$⇒ R = 24Ω$

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