Two Identical Bulbs,A and B,are Connected in an Electrical Circuit

question 51

Multiple Choice

Two identical bulbs,A and B,are connected in an electrical circuit as shown in the figure.R is the resistance connected in series with the each bulb.Initially they are glowing with equal intensity.Bulb A is removed from the socket;the potential difference across the empty socket A will

• A)decrease.
• B)increase.
• C)not change.
• D)become zero.

Understand the mathematical representations and formulas associated with measures of variability.

Distinguish between various types of variability measures in terms of ease of calculation and information they provide.

Understand the concept of standard deviation and variance in data dispersion.

Identify the symbols and their meanings within statistical formulas (e.g., n refers to sample size).

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Definitions:

Downloading Speed

The rate at which data is transferred from the internet to a user's computer or device, typically measured in Mbps (Megabits per second).

Time Periods

Distinct intervals or durations in which events occur or data is collected.

Wilcoxon Signed Rank Test

A non-parametric statistical test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess their average ranks.

Significance Level

The threshold used in statistical analysis to determine if the observed data are sufficiently unlikely under the null hypothesis, indicating whether the results are statistically significant.