Question

. The potential difference between the terminals of electric heater is 60V, when it draws a current of 4A from the source. The resistance of electric heater coil is A. 15Ω B. 240Ω C. 24Ω D. 64Ω​

Answer 1

v=60v I=4A

R=V/I=60/4=15Ω

answer is A. 15Ω

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Answer 2

Answer:

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Explanation:

How will you bring about the following conversions?

(I) Ethanol to but-l-yne.

(ii) Ethane to bromoethene

(iii) Propene to 1-nitropropane

(iv) Toluene to benzyl alcohol

(v) Propene to propyne

(vi) Ethanol to ethyl fluoride

(vii) Bromomethane to propanone

(viii) But-l-ene to but-2-ene

(ix) 1-Chlorobutane to n-octane

(x) Benzene to biphenyl