[" (5) What is the highest,(b) the lowest total resistance that can be secured "],[" by combinations of four colls of resistance "4Omega,8Omega,12,24Omega?]

What is the lowest total resistance that can be secured by combinations of four coils of resistance 4Omega,8Omega,12Omega,24Omega

What is the lowest total resistance that can be secured by combinations of four coils of resistance 4Omega , 8Omega , 12Omega , 24Omega ?

What is (a) the highest, (b) the lowest total resistance that can be secured by combinations of four coils of resistances 4 Omega, 8 Omega, 12 Omega, 24 Omega ?

What is : (a) the highest (b) the lowest total resistances that can be secured by combinations of four coils of resistances 4 Omega,8 Omega,12 Omega,24 Omega ?

What is the (a) highest :(b) lowest total resistance that can be secured by combination of four coils of resistances 4 Omega 8 Omega 12 Omega 24 Omega ?