Two shafts in torsion will have equal strength if
a. Only diameter of the shafts is same
b. Only angle of twist of the shaft is same
c. Only material of the shaft is same
d. Only torque transmitting capacity of the shaft is same
a. Only diameter of the shafts is same
b. Only angle of twist of the shaft is same
c. Only material of the shaft is same
d. Only torque transmitting capacity of the shaft is same