In a series circuit

PHYSICS · Single correct · A Level · Physics · Electricity · Electricity

Problem

In a series circuit, resistors

R_1 = 5\,\Omega

and

R_2 = 15\,\Omega

are connected to a

20\,\text{V}

source. If a voltmeter across

R_1

reads

5\,\text{V}

, what will be the voltmeter reading across

R_2

? (a)

10\,\text{V}

(b)

15\,\text{V}

(c)

5\,\text{V}

(d)

12.5\,\text{V}