Course home

4.2.4a Resistance

Two wires, $X\,$ and $Y$ , are made from the same metal and have the same electrical resistance.

Which row identifies a possible pair of values for $X\,$ and for $Y$ ?

	Length of $X$ / $cm\text{cm}$	Diameter of $X$ / $mm\text{mm}$	Length of $Y$ / $cm\text{cm}$	Diameter of $Y$ / $mm\text{mm}$
A	40	0.30	360	0.10
B	40	0.30	360	0.30
C	40	0.30	360	0.90
D	40	0.30	360	2.70

Row A

Row B

Row C

Row D

4.2.4a Resistance Questions

132 exam-style questions on CIE IGCSE Physics 4.2.4a Resistance. Each one has a worked solution and a mark scheme showing where the marks go.

Two wires, $X\,$ and $Y$ , are made from the same metal and have the same electrical resistance.

Which row identifies a possible pair of values for $X\,$ and for $Y$ ?

	Length of $X$ / $cm\text{cm}$	Diameter of $X$ / $mm\text{mm}$	Length of $Y$ / $cm\text{cm}$	Diameter of $Y$ / $mm\text{mm}$
A	40	0.30	360	0.10
B	40	0.30	360	0.30
C	40	0.30	360	0.90
D	40	0.30	360	2.70

Row A

Row B

Row C

Row D

132 exam-style questions on CIE IGCSE Physics 4.2.4a Resistance. Each one has a worked solution and a mark scheme showing where the marks go.