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27, A loudspeaker is connected to an amplifier as shown. If the 10 Ω loudspeaker draws...
A 78-Ω loudspeaker, a 6.4-Ω loudspeaker, and a 2.5-Ω loudspeaker are connected in parallel across the...
A 78-Ω loudspeaker, a 6.4-Ω loudspeaker, and a 2.5-Ω loudspeaker are connected in parallel across the terminals of an amplifier. Determine the equivalent resistance of the three speakers, assuming that they all behave as resistors.
6. Suppose a 6 C2 loudspeaker is driven from an amplifier under matched conditions, meaning that...
6. Suppose a 6 C2 loudspeaker is driven from an amplifier under matched conditions, meaning that the amplifier's output impedance equals 6 0. The amplifier supplies an unloaded output voltage V-24 V a. Under these conditions what is the maximum power delivered to the loudspeaker 6 Y-24Y b. The user decides to connect a second speaker in parallel to the first to better distribute sound in the room. If one desires to deliver half the maximum original power equally to...
Consider the amplifier shown below where Ro = 1.2 KΩ and Avo = -125. The source has an internal resistance RS = 600 Ω an...
Consider the amplifier shown
below where Ro = 1.2 KΩ and Avo = -125. The source has an internal
resistance RS = 600 Ω and connected to the amplifier by a capacitor
CS = 1 µF.
QUESTION 1 Consider the amplifier shown below where Ro-1.2 KΩ and Avo-_125. The source has an internal resistance Rs-600 Ω and connected to the amplifier by a capacitor Cs 1 HF. a. Derive the mathematical expression to determine the half-power frequency due to Cs....
If a l V rms signal source with an internal resistance of 50 Ω is connected...
If a l V rms signal source with an internal resistance of 50 Ω is connected to the amplifier in Figure what is the actual rms signal applied to the amplifier input? Assume Bac 200 +15 V RI 1.0 kΩ 01 Di C3 02 75 Ω 1.0 kΩ Class C Power Amplifiers A certain class C amplifier transistor is on for 10 percent of the input cycle. If Veetsa) 0.18 V and Ie(sa)25 mA, what is the average power dissipation...
BJT and Amplifier Circuits +15 V 27 k R2 680 Ω Compute: 53 1. Show the extra units and connections RE 680 2 R2 12 kC2 2. The input and the output impedance 3. The Voltage gain Av 4. If the input...
BJT and Amplifier Circuits +15 V 27 k R2 680 Ω Compute: 53 1. Show the extra units and connections RE 680 2 R2 12 kC2 2. The input and the output impedance 3. The Voltage gain Av 4. If the input ac voltage with Vp-1 mV, draw the output voltage. What is the maximum vin value. 5. 6. The current gain Ai and Ap. 7. Compute the produced power and the consumed power in transistor and RL.
BJT and...
Three 100 Ω resistors are connected as shown in the figure.
Three 100 Ω resistors are connected as shown in the figure. The maximum power that can safely be delivered to any one resistor is 30.0 w. (a) What is the maximum potential difference that can be applied to the terminals a and b? (b) For the voltage determined in part (a), what is the power delivered to each resistor? resistor on the left resistor at the tob of the loop resistor at the bottom of the loop (c) What is the total power delivered to the combination...
A coffee-maker (17 Ω) and a toaster (27 Ω) are connected in parallel to the same...
A coffee-maker (17 Ω) and a toaster (27 Ω) are connected in parallel to the same 110-V outlet in a kitchen. How much total power is supplied to the two appliances when both are turned on?
eT. For renstors of 75 Ω, 50 Ω. & 100 Ω are connected as shown to...
eT. For renstors of 75 Ω, 50 Ω. & 100 Ω are connected as shown to a 9 volt source. a) Make a sketch of this circuit (include correct schematic diagrams for ALL components) b) Determine the curreni through the circuit if the switch S is OFF and if the switch S is ON: c) Determine the power dissipated by the circuit if the switch S is OFF and if the switch S is ON:
We have an amplifier that draws 2A from a 15-V dc power supply. The input signal...
We have an amplifier that draws 2A from a 15-V dc power supply. The input signal current is 1mA rms, and the input resistance is 2 k ohm. The amplifier delivers 12V rms to an 8 ohm load. Determine the power dissipated in the amplifier and the efficiency of the amplifier.
Four resistors are connected to a battery with a terminal voltage of 12 V, as shown in the...
Four resistorsare connected to a battery with a terminal voltage of 12 V, as shown in the figure below. Use the following variables as necessary: R1 = 34.0 Ω and R2 = 85.0Ω.(a) How would you reduce the circuit to an equivalent single resistor connected to the battery? Use this procedure to find the equivalent resistance of thecircuit.________ Ω(b) Find the current delivered by the battery to this equivalent resistance.________ A(c) Determine the power delivered by the battery.______ W(d) Determine...
6. Suppose a 6 C2 loudspeaker is driven from an amplifier under matched conditions, meaning that the amplifier's output impedance equals 6 0. The amplifier supplies an unloaded output voltage V-24 V a. Under these conditions what is the maximum power delivered to the loudspeaker 6 Y-24Y b. The user decides to connect a second speaker in parallel to the first to better distribute sound in the room. If one desires to deliver half the maximum original power equally to...
Consider the amplifier shown
below where Ro = 1.2 KΩ and Avo = -125. The source has an internal
resistance RS = 600 Ω and connected to the amplifier by a capacitor
CS = 1 µF.
QUESTION 1 Consider the amplifier shown below where Ro-1.2 KΩ and Avo-_125. The source has an internal resistance Rs-600 Ω and connected to the amplifier by a capacitor Cs 1 HF. a. Derive the mathematical expression to determine the half-power frequency due to Cs....
If a l V rms signal source with an internal resistance of 50 Ω is connected to the amplifier in Figure what is the actual rms signal applied to the amplifier input? Assume Bac 200 +15 V RI 1.0 kΩ 01 Di C3 02 75 Ω 1.0 kΩ Class C Power Amplifiers A certain class C amplifier transistor is on for 10 percent of the input cycle. If Veetsa) 0.18 V and Ie(sa)25 mA, what is the average power dissipation...
BJT and Amplifier Circuits +15 V 27 k R2 680 Ω Compute: 53 1. Show the extra units and connections RE 680 2 R2 12 kC2 2. The input and the output impedance 3. The Voltage gain Av 4. If the input ac voltage with Vp-1 mV, draw the output voltage. What is the maximum vin value. 5. 6. The current gain Ai and Ap. 7. Compute the produced power and the consumed power in transistor and RL.
BJT and...
Three 100 Ω resistors are connected as shown in the figure. The maximum power that can safely be delivered to any one resistor is 30.0 w. (a) What is the maximum potential difference that can be applied to the terminals a and b? (b) For the voltage determined in part (a), what is the power delivered to each resistor? resistor on the left resistor at the tob of the loop resistor at the bottom of the loop (c) What is the total power delivered to the combination...
eT. For renstors of 75 Ω, 50 Ω. & 100 Ω are connected as shown to a 9 volt source. a) Make a sketch of this circuit (include correct schematic diagrams for ALL components) b) Determine the curreni through the circuit if the switch S is OFF and if the switch S is ON: c) Determine the power dissipated by the circuit if the switch S is OFF and if the switch S is ON:
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