Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ammeter Ohmmeter Wattmeter None of these Voltmeter Ammeter Ohmmeter Wattmeter None of these Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 0.20833333333333 None of these 50 A 20 A 0.20833333333333 None of these 50 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: None of these armature commutator loop brush None of these armature commutator loop brush ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a dielectric two conductors separated by a dielectric None of these two coils separated by a conductor two dielectrics separated by a conductor two coils separated by a dielectric two conductors separated by a dielectric None of these two coils separated by a conductor two dielectrics separated by a conductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 100 Ohm or more 60 Ohm None of these 50 Ohm 10 Ohm 100 Ohm or more 60 Ohm None of these 50 Ohm 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: the amount of opposition to the current flow how well the material concentrates electrostatic lines of force how well the material concentrates magnetic lines of force the amount of voltage it can withstand before breaking down None of these the amount of opposition to the current flow how well the material concentrates electrostatic lines of force how well the material concentrates magnetic lines of force the amount of voltage it can withstand before breaking down None of these ANSWER DOWNLOAD EXAMIANS APP
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