Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 651 V None of these 707 V 700 V 208 V 651 V None of these 707 V 700 V 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Positive charges Crystals Negative charges Atoms None of these Positive charges Crystals Negative charges Atoms None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value? 98 Ohm - 100.1 ohm None of these 90 Ohm - 110 ohm 90 Ohm - 101 ohm 99 Ohm - 102 ohm 98 Ohm - 100.1 ohm None of these 90 Ohm - 110 ohm 90 Ohm - 101 ohm 99 Ohm - 102 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ohmmeter Ammeter Voltmeter Wattmeter None of these Ohmmeter Ammeter Voltmeter Wattmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: None of these multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two has no effect on the inductance None of these multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two has no effect on the inductance ANSWER DOWNLOAD EXAMIANS APP
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