Correct Answer: Option D

Explanation

ε = 24.0 V,  r=1Ω,  R=5.0Ω

terminal p·d = ?

ε = IR+Ir = I(R+r) 

⇒ IR+Ir = I(R+r)
 
⇒ I = \(\frac{24}{5+1}\)

⇒ I =\(\frac{24}{6}\)

⇒ I = 4 A

terminal p·d = 4 × 5  

terminal p·d  =  20.0 V

There is an explanation video available below.

• The volume of 0.25mol/dm3 solution of KNO3 that would yield 6.5g of solid KOH on evaporation is (K=39,O=16.0 H=1.00)? Answer this

  2 Answers   ·   Chemistry   ·   17 hours ago
• If a spring has a stiffness of 950m what work will be done in extending the spring by 60mm? Answer this

  4 Answers   ·   1 year ago
• does FUTA do post utme screening? Answer this

  0 Answers   ·   8 hours ago