A piezoelectric transducer is used to measure force. The size of the piezoelectric crystal used in it is 6 mm × 6 mm × 2 mm, with a voltage sensitivity of 0.055 Vm/N. If the voltage developed is 120 V, find the force.
1
78.48 N
2
19.62 N
3
39.24 N
4
13.05 N