A 24 V, 600 mW zener diode is used to provide a 24 V stabilized supply to a variable load RL , as shown in the figure. The value of the resistance R is

Question

A 24 V, 600 mW zener diode is used to provide a 24 V stabilized supply to a variable load RL , as shown in the figure. The value of the resistance R is (A)  320 Ω  (B)  640 Ω  (C)  960 Ω  (D)  1280 Ω

Tardigrade Admin · Accepted Answer

The voltage across R would be equal to 32-24=8 V Current flow across R, l=((P/V))=(600 × 10-3/24)=(0.6/24) A Now R=(V/l) =(8/0.6) × 24=320 Ω

Q. A $24 V, 600 mW$ zener diode is used to provide a $24 V$ stabilized supply to a variable load $R_{L}$ , as shown in the figure. The value of the resistance R is

$320 Ω$

$640 Ω$

$960 Ω$

$1280 Ω$

The voltage across $R$ would be equal to
$32 - 24 = 8 V$
Current flow across $R$ ,
$l = (\frac{P}{V}) = \frac{600 \times 1 0 ^{- 3}}{24} = \frac{0.6}{24} A$
Now $R = \frac{V}{l}$
$= \frac{8}{0.6} \times 24 = 320 Ω$

Q. A 24V,600mW zener diode is used to provide a 24V stabilized supply to a variable load RL​ , as shown in the figure. The value of the resistance R is

320Ω

640Ω

960Ω

1280Ω