Question

CSCI490 Introduction to Robotics (Fall 2017) Homework # 1 Due on Tuesday September 19, 2017, at the beginning of the class 1. A robot operated by a 12 V battery uses sensors that require a supply voltage of 3.3 V. a) Find $R_1$ and $R_2$ in the circuit below if the current drawn from the 12 V battery is to be 100 mA. b) Now suppose that a 200 $\Omega$ load resistance is connected across the output terminals representing the sensor. Find the value of $v_o$. 12 V $R_1$ $R_2$ 2. Consider the circuit shown below. a) Find $V_x$. b) Find the total power absorbed by the resistors. 3 $\Omega$ 6 $\Omega$ 12 $\Omega$ 0.5 A 2 $\Omega$ $V_x$

          CSCI490 Introduction to Robotics (Fall 2017)
Homework # 1
Due on Tuesday September 19, 2017, at the beginning of the class
1. A robot operated by a 12 V battery uses sensors that require a supply voltage of 3.3 V.
a) Find $R_1$ and $R_2$ in the circuit below if the current drawn from the 12 V battery is to be 100 mA.
b) Now suppose that a 200 $\Omega$ load resistance is connected across the output terminals representing the
sensor. Find the value of $v_o$.
12 V
$R_1$
$R_2$
2.
Consider the circuit shown below.
a) Find $V_x$.
b) Find the total power absorbed by the resistors.
3 $\Omega$
6 $\Omega$
12 $\Omega$
0.5 A
2 $\Omega$
$V_x$

CSCI490 Introduction to Robotics (Fall 2017)
Homework # 1
Due on Tuesday September 19, 2017, at the beginning of the class
1. A robot operated by a 12 V battery uses sensors that require a supply voltage of 3.3 V.
a) Find R1 and R2 in the circuit below if the current drawn from the 12 V battery is to be 100 mA.
b) Now suppose that a 200 Ω load resistance is connected across the output terminals representing the
sensor. Find the value of vo.
12 V
R1
R2
2.
Consider the circuit shown below.
a) Find Vx.
b) Find the total power absorbed by the resistors.
3 Ω
6 Ω
12 Ω
0.5 A
2 Ω
Vx

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