Voltage and Current Online Test – Multiple Choice Questions and Answers 1. Which is the smallest? atom neutron electron proton 2. How many valence shell electrons are there in semiconductor atoms? 2 4 8 16 3. What is the name of the pressure that moves electrons in a closed circuit? voltage ohms amperes coulombs 4. The basic difference between a fuse and a circuit breaker is a fuse is reusable a fuse is slower a circuit breaker is reusable a circuit breaker is more reliable 5. Which electronics material opposes the movement of free electrons? Semiconductor Insulator Conductor Element 6. A switch is a device that: short circuits complex circuits has double poles holds a fuse opens or completes a current path 7. Voltage and Current primary battery secondary battery fuel cell solar cell 8. A secondary cell generates dc via chemical activity; a primary cell generates dc: thermally electrically optically chemically 9. The term used to designate electrical pressure is: voltage conductance current resistance 10. Current is: the presence of a positive charge the movement of electrons the repulsion of electrons the abundance of electrons Loading … Question 1 of 10