Question

Why do we need a ULN2803 in driving a relay?

a.

for switching a motor

b.

for increasing the current limit in the relays

c.

for increasing the power

d.

for decreasing the current limit in the relays

Posted under Computer Architecture

Answer: (b).for increasing the current limit in the relays

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Q. Why do we need a ULN2803 in driving a relay?

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