Question 7 of 20
a technician is checking a circuit for voltage. in this instance, the voltage reads 4.2v instead of 5v
at the connector. what caused the voltage to read lower than normal?
high current flow
low resistance
high resistance
high voltage
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Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line

Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^−2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.