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ac/dc saca Study Guide Exam and Answers.

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How many degrees apart are the phases of a balanced three phase system? - Answer 120 What does an electrical schematic not show? - Answer Physical connections Resistance is measured in units of? - Answer Ohms What is the power formula? - Answer P=IxE What is power measured in? - Answer Watts What is the function of an inductor? - Answer It opposes a change in current flow A coil is a_________? - Answer Output Which of the following is an output? - Answer Solenoid What is the formula to solve for current? - Answer I=E/R When troubleshooting a circuit, what can be said if the total resistance of the parallel circuit does not change when a branch is removed? - Answer An open exists in the removed branch The unit for electromotive force (emf) is? - Answer Volt What is the relationship of the applied voltage across two electrical components in parallel with each other? - Answer They are the same Which feature of a ground circuit creates a safe path for current? - Answer Low resistance to earth An ohmmeter is reading total circuit resistance reads 0 ohms when all branches are connected and reads 200 ohms when a branch is disconnected. What condition exists? - Answer There is a short in the disconnected branch

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ac/dc saca Study Guide Exam and
Answers.
How many degrees apart are the phases of a balanced three phase system? - Answer 120



What does an electrical schematic not show? - Answer Physical connections



Resistance is measured in units of? - Answer Ohms



What is the power formula? - Answer P=IxE



What is power measured in? - Answer Watts



What is the function of an inductor? - Answer It opposes a change in current flow



A coil is a_________? - Answer Output



Which of the following is an output? - Answer Solenoid



What is the formula to solve for current? - Answer I=E/R



When troubleshooting a circuit, what can be said if the total resistance of the parallel circuit
does not change when a branch is removed? - Answer An open exists in the removed branch



The unit for electromotive force (emf) is? - Answer Volt



What is the relationship of the applied voltage across two electrical components in parallel with
each other? - Answer They are the same



Which feature of a ground circuit creates a safe path for current? - Answer Low resistance to
earth



An ohmmeter is reading total circuit resistance reads 0 ohms when all branches are connected
and reads 200 ohms when a branch is disconnected. What condition exists? - Answer There
is a short in the disconnected branch

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