3. Linear Frequency is notated as f. Angular Frequency is notated as w. Given f=

Question

3. Linear Frequency is notated as f. Angular Frequency is notated as w. Given f= 190 Hz, what is w? [rad s^-1] Use Three Sig figs. 4. Given w =1000 [rad s^-1], what is the linear frequency? [Hz] Use Three Sig figs. 5. What is the lowest when a circuit is driven at its reasonant frequency as compared to when it is driven at any other frequency? (To answer: type one of the following choices exactly as shown: Impedance, Current, XL, XC, Linear Frequency, Angular Frequency, All of These, None of These) 6. The resistance of a resistor is 9 Ohms and the resistance of a coil is 5.3 Ohms (Both of these values were measured with an ohmmeter.) What is the resistance of the circuit when driven at its resonant frequency? Ohms. (Write N/A if there is not enough information to answer.) Use Three Sig figs.

Explanation / Answer

3. W =   2pif   = 2*(3.14* 190) =1193.2 rad/s

4. f = 1000./2pi = 159.23 Hz

5.Impedence

6. at resosnance , R = 9+5.3 = 14.3 ohms

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