Question

Several150 Ω resistors are to be connected in such a way that a current of 2 A flows from a 50 V source. How many such resistors are required along with a mode to connect them?​

Answer 1

Answer

• 6 resistors

Explanation:

Given :

• Many 150 ohms resistor are connected 2 amperes of current should flow in them Source shall have voltage of 50 volts.

To find :

• No of resistors to be connected.

Using ohms law:

V=IR

50=2×R

r = $\frac{50}{2}$

R = 25 ohms

• Now we need to find number of 150 ohms resistor to be connected in parallel to get equivalent resistance equal to 25 ohms.

If resistance is same in all resistors, req = R/no.of resistors.

150/no.of resistors = 25

No.of resistors = $\frac{150}{25}$

No.of resistors = 6

• Six 150 ohms resistors must be connected in parallel to get an equivalent resistance of 25 ohms.

Answer 2

Answer:

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