Sheet 2:
Exercise 1: Fill in the table with the names of the units and its letters.
Exercise 2: An electric current of 3,91A flows through the motor of a mixer when it is connected to a typical socket of 230V.
a) Calculate the power of the mixer.
b) How much energy will be spent if we connect it for two seconds?
Exercise 3: The buzzer of the circuit below is connected to a 24V battery and a current of 0,3A flows through it.
a) Calculte the power of the buzzer.
b) How much energy will be spent if the buzzer is connected for a quarter of an hour?
